Practice Phylogenetic Trees 1 Answers

For the phenotypic similarity exercise, you'll build a similarity matrix by hand to practice the. List the similarities and differences between passive diffusion and facilitated diffusion. Phylogenetic trees are a convenient way of visually representing the evolutionary history of life. 4,862 possibilities; 98 of which are structurally different, seven of them are illustrated here. Arthropods C. Extra office hours will be Sunday from 3-4:30 in Lisner 420. 5 and 6 20. Learn phylogenetic trees with free interactive flashcards. 1 Skill: Knowledge/Comprehension 5) A phylogenetic tree that is ʺrootedʺ is one A) that extends back to the origin of life on Earth. 1 ACTIVITY Sample answer: The chimpanzee is our closest relative—genetically speaking, over 98 percent identical to us. what the actual pattern of evolutionary relationships is. View Notes - Phylogenetic trees ANSWERS(2). Model 1 - Phylogenetic Trees. Maximum parsimony 1. Online Phylogenetic Tree. BIG HISTORY PROJECT / LESSON 5. Often the score is the number of evolutionary changes that are required. How are DNA sequences used to deduce evolutionary relationships? 3. A neighbor-joining tree can be built using the seqneighjoin function. A phylogenetic tree like this one represents a hypothesis about the evolution of the organisms it depicts. Choose the taxa. The break (or node) of a branch indicates a common ancestor, and the branch itself indicates speciation. Alternate tree topologies are important to consider when analyzing homologous sequences between species. The 1 in the matrix indicates presence of a shared character that unites the clades. ____ 1) Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvier's attempt to explain the existence of. Figure 2: Use the data presented in the table to label the small circles in the cladogram with the derived traits 3. Recall that until recently, only morphological characteristics and the fossil record were used to determine phylogenetic relationships among animals. ©2005 CIBT Evolving Trees - Teacher Section Page 10 4. somewhere between a and c 2. pdf from PSYC 102 at University of British Columbia. View Homework Help - Phylogenetic Trees Worksheet Answer Key. Phylogenetic trees for even distantly-related organisms may be prepared using amino acid or nucleotide se-quence data. Part A of the worksheet is an exercise of inferring phylogenetic relationship from purely Answers to the worksheet questions: Part A Exercise 1. Introduction to bioinformatics, Autumn 2007 143 Inferring the Past: Phylogenetic Trees (chapter 12) l The biological problem l Parsimony and distance methods l Models for mutations and estimation of distances l Maximum likelihood methods. Learning Objective: 1. • Exams may not be posted on school or personal websites, nor electronically redistributed for any reason. Title: Microsoft Word - Constructing Phylogenetic Trees Practice Problems. • Difficult to solve (NP-hard, also difficult in practice) • Modelling of homoplasy (recurrent and back mutation) is in • Phylogenetic tree construction is so standardized that certain concepts (such as bootstrapping: a measurement of solution "An introduction to phylogenetic networks", RJR-productions, 2011 • "The. For each labeled group (1, 2, and 3) on the phylogeny below, note whether the number indicates a monophyletic group, a paraphyletic group, or a polytomy. Bioinformatics with pen and paper: building a phylogenetic tree. Biology of Animals - Exam 1 - Q17. Great introduction for students to learn the basics of phylogenetic trees and evolutionary relationships. Phylogenetic Trees AP Biology DRAFT. 4,862 possibilities; 98 of which are structurally different, seven of them are illustrated here. Biology 170: Exam 1 Multiple choice (2 pts each). Choose the taxa. Which species branched off from the other three the earliest? c. Phylogenetic analysis of 7:18. Keep in mind that not all phylogenetic trees are correct; they simply show hypotheses about phylogeny. So, I'm having a little trouble with my homework practice quiz and my AP Biology is very messed up, so my quiz never has anything to do with my unit. the one that requires the fewest evolutionary steps). phylogenetic trees were used almost exclusively to describe Bayesian statistics is known to answer the biological questions directly and. Phylogenetic Trees AP Biology DRAFT. I have to disagree with Stephen that 'any sequence not in the tree' would be a good outgroup. 1 Practice exam questions from previous years… 1) (22 pts) Match the letter of the characteristics for a plant given below or on the right with the family on the left. Scientific classification [edit] References. pdf Practice making a simple cladogram. Using your textbook and the explanations below, determine which of the characteristics each animal has. Cladogram Analysis Key. C 0 0 0 1 1 1 D 1 0 1 0 0 0 E 0 0 0 1 0 0 • The above property is necessary and sufficient for prefect phylogeny under 0 to 1 ordering • Why works: associated with each character is a subtree. Thanks for contributing an answer to TeX - LaTeX Stack Exchange! Please be sure to answer the question. 5 and 6 20. Which number represents the most recent common ancestor of (a) all bears, (b) sloth bears and spectacled bears, and (c) the Asian black bear and the brown bear? 2. Online Phylogenetic Tree. Punnett square practice problems (simple. 12 Branch lengths can represent genetic change ; Figure 20. An unrooted tree has a. Investigatiï ¿on 1 Understanding a Cladogram from Cladogram Worksheet Answers, source:blabonaboutscience. Biology of Animals - Exam 2 - 17. 2 Introducing some of the most commonly used methods for phylogenetic analysis. Phylogenetic trees for even distantly-related organisms may be prepared using amino acid or nucleotide se-quence data. Nowadays, these trees are usually constructed by comparing 16s/18s ribosomal RNA. ] Phylogeny - is the evolution of a. To view the question in context, click the link above the question to open up the exam in a new tab. THANKS FOR YOUR PATIENCE AND POSITIVE FEEDBACK! 2. 1 is an accurate depiction of relatedness,. Using the species you named in the question above, draw a phylogenetic tree diagram that shows your hypothesis of how these taxa might be related. ! 1! Biology 1 End-of-Course Assessment Practice Test For Multiple Choice Items, circle the correct response. Test your knowledge of phylogenetic trees! If you're seeing this message, it means we're having trouble loading external resources on our website. I am sick today and cannot talk. (a) Use the phylogenetic tree in Figure 1 to estimate the age in hundreds of thousands of years of the most recent common ancestor of all brown bears. With the most parsimonious cladogram that the students can build, a hierarchical taxonomy can be made. A simple Newick string example is resolved as follows: "(A:0. This tree of life is also referred to as a phylogeny or phylogenetic tree. Start studying Phylogeny Practice. Click the play icon on the Video Tutor Session. Donovan This quiz includes a number of multiple-choice questions you can use to test yourself on your ability to accurately interpret evolutionary trees. Worksheets Learning Evolution Using Phylogenetic Analysis Student Worksheet (PDF): Following this link leads to a student worksheet that provides extremely detailed steps on how to create a phylogenetic tree. Morphological data include structural features, types of organs, and specific skeletal arrangements. Get Started. 1 - Cite specific textual evidence to support analysis of science and technical texts, attending to the precise details of explanations or descriptions. In the example in Figure 9, taxa 8 and C are more closely related than taxa A is to taxa 8 or taxa C Creating a Hardware Phylogemy You will create a phylogenetic tree using adul Gorillia gorila parsimony to classify ten (10) pieces of hardware. 10/9 HW Answers Implicit Differentation Practice 1 connect. Is it possible to generate 0/1 character matrices like those shown below right from bifurcating phylogenetic trees like those on the left. In the cladogram for question 1, which node represents the most recent common ancestor of terminal taxa B & C? use it as the outgroup for a phylogenetic systematic analysis. This phylogenetic tree can also be called a cladogram, which means that it follows the specific rules of the cladistic approach to systematics. Evolution Lab - Answer Key (Mission 1) Mission 2 - Below. Multiple Choice. Balancing Equations Worksheet Maths, Balancing Equations Worksheet Maths Ks2, Balancing Equations Mega Worksheet Answers, Balancing Equations Mega Worksheet, Balancing Equations Worksheet Misterguch, Balancing Equations Maths Worksheet Tes, Balancing Equations Worksheet Multiple Choice, Balancing Equations Worksheet Mr Guch, Balancing Equations Worksheet Middle School Pdf, Balancing Equations. Click the play icon on the Video Tutor Session. phylogenetic trees were used almost exclusively to describe Bayesian statistics is known to answer the biological questions directly and. Evolution Video Quizzes. Humans did not evolve from chimps. 17 The student is able to pose scientific questions about a group of organisms whose relatedness is described by a phylogenetic tree or. A phylogenetic tree is a visual representation of the relationship between different organisms, showing the path through evolutionary time from a common ancestor to different descendants. Phylogenetic Trees 1 Phylogenetic Trees 2 POGIL™ Activities for AP* Biology 2. 11b Constructing a phylogenetic tree (part 2: phylogenetic tree) Figure 20. If you're behind a web filter, please make sure that the domains *. Phylogenetic trees are tools that biologists use to depict evolutionary relationships and organismal diversification, but they can be challenging for students to conceptualize. A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the evolutionary relationships among various biological species or other entities—their phylogeny (/ f aɪ ˈ l ɒ dʒ ən i /)—based upon similarities and differences in their physical or genetic characteristics. Figure 2: Use the data presented in the table to label the small circles in the cladogram with the derived traits 3. 6 shows a phylogenetic tree of the species listed in Table 5. BioInteractive. List the similarities and differences between passive diffusion and facilitated diffusion. Explain how many clades are indicated b. 60 million c. In the cladogram for question 1, which node represents the most recent common ancestor of terminal taxa B & C? use it as the outgroup for a phylogenetic systematic analysis. Building a Neighbor-Joining Phylogenetic Tree using Distance Methods. Worksheets are Fill out the following character mark an x if an, Cladogram work key, Practice cladogram with answers, Cladogram work answers key, Making cladograms background and procedures phylogeny, Essential knowledge phylogenetic trees and, How to make a cladogram, Practice problems. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. • Difficult to solve (NP-hard, also difficult in practice) • Modelling of homoplasy (recurrent and back mutation) is in • Phylogenetic tree construction is so standardized that certain concepts (such as bootstrapping: a measurement of solution "An introduction to phylogenetic networks", RJR-productions, 2011 • "The. Genetic data. If organisms A, B, and C belong to the same class but to different orders and if organisms D, E, and F belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?. Phylogenetic trees are tools that biologists use to depict evolutionary relationships and organismal diversification, but they can be challenging for students to conceptualize. pdf cladogram-phylogenetic tree worksheets. Most phylogenetic trees reflect this idea by being rooted, meaning they're drawn with a branch that represents the common ancestor of all the groups on the tree. It provides students with a big picture of the process. This question is an application of AP ® Learning Objective 1. 0 by keeping bootstrap value 100 I got the following tree, is it fine or not Please let me know in detail in this regards. Biology of Animals - Exam 2 - 15. Similarities and divergence among related biological sequences revealed by sequence alignment often have to be rationalized and visualized in the context of. The differences between the sequences in. Original Document: Cladogram Analysis What is a cladogram? It is a diagram that depicts evolutionary relationships among groups. Taxa 1 and 2. Phylogenetic trees are a way of representing phylogeny, or shared evolutionary history. Great introductio. Explanations of Characteristics: set #1: Dorsal nerve cord (running along the back or "dorsal" body surface). 1 Practice exam questions from previous years… 1) (22 pts) Match the letter of the characteristics for a plant given below or on the right with the family on the left. Learn vocabulary, terms, and more with flashcards, games, and other study tools. First, practice reading phylogenetic relationships from the tree. Cladogram Answer Key. Model 1 — Phylogenetic Trees Millions of Years Ago 40 35 30 25 20 10 15 Common ancestor of all modern Raccoons, Pandas, and Bears. Phylogenetic trees for even distantly-related organisms may be prepared using amino acid or nucleotide se-quence data. Through a variety of activities, students will create and interpret phylogenetic trees, navigate scientific databases of fossil data. The most common recent ancestor of sample 1 and Sockeye salmon is correctly depicted in the third phylogenetic tree. The tree diagram shows a phylogeny-- a group of organisms connected by their evolutionary ancestry. Use Figure 26. Based on structural, cellular, biochemical, and genetic characteristics, biologists classify life on Earth into groups that reflect the planet’s evolutionary history. All phylogenetic trees are works in progress. ] Phylogeny - is the evolution of a. Keep in mind that not all phylogenetic trees are correct; they simply show hypotheses about phylogeny. For the single-locus data set, I had found out two most suitable outgroups by BlastN against public database, however, the sequences of the two outgroup taxa are shorter than my ingroup sequences at both ends (5' end and 3' end) although there is perfect alignment. Worksheets Learning Evolution Using Phylogenetic Analysis Student Worksheet (PDF): Following this link leads to a student worksheet that provides extremely detailed steps on how to create a phylogenetic tree. Displaying all worksheets related to - Cladogram Analysis Key. Chapter 22 Objectives -Decent with Modification Chapter 22 Powerpoint. (a) Use the phylogenetic tree in Figure 1 to estimate the age in hundreds of thousands of years of the most recent common ancestor of all brown bears. TreeBASE calls the multiple alignment file as matrix. the one that requires the fewest evolutionary steps). SBI3U CLADOGRAM QUESTIONS - SOLUTIONS 1. example of character state. Identify the choice that best completes the statement or answers the question. Scientists develop phylogenetic trees, which serve as hypotheses about which species have evolved from which ancestors. Overview In Part One of this activity you will be changing the "ancestral DNA" with random mutations over time, as well as making divergences into different evolutionary lines. Which number represents the most recent common ancestor of (a) all bears, (b) sloth bears and spectacled bears, and (c) the Asian black bear and the brown bear? 2. ____ 1) Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvier's attempt to explain the existence of. 1)a group of species or populations that are descended from a common ancestor 2)continuous line of descent; a series of organisms, populations, cells, or genes connected by ancestor/descendent relationships. If you're seeing this message, it means we're having trouble loading external resources on our website. 1 to answer the following questions. (Note that many vertebrate lineages are excluded from this. So how do you tell which organisms on a tree are most closely related to one another? It's tempting to focus on the order of the branch tips on a tree (i. Lectures by Walter Lewin. pdf dichotomous_key example. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Sometimes a cladogram is called a phylogenetic tree (though technically, there are minor differences between the two). Phylogenetic Trees 1 Phylogenetic Trees 2 POGIL™ Activities for AP* Biology 2. In phylogenetics, maximum parsimony is an optimality criterion under which the phylogenetic tree that minimizes the total number of character-state changes is to be preferred. TL;DR: systematics deals with classification, taxonomy with naming, cladistics with categorization, and phylogenetics with hierarchy. Amphibians. Identify all informative sites in the multiple alignment 2. 1 Skill: Knowledge/Comprehension 5) A phylogenetic tree that is ʺrootedʺ is one A) that extends back to the origin of life on Earth. pdf Practice making a simple cladogram. View Notes - Phylogenetic trees ANSWERS(2). First, practice reading phylogenetic relationships from the tree. Only monophyletic groups qualify as legitimate taxa derived from cladistics. Traditionally these trees were created using physical traits of organisms such as bone structure, beak shape, etc. Rank the following animal groups from greatest to least (left to right) in the number of described species:. These subtrees have to be nested. c) Taxon 3. False! These trees actually depict the same phylogeny. 2 Phylogenetic trees and cladograms are graphical representations (models) of evolutionary history that can be tested. Making statements based on opinion; back them up with references or personal experience. Generation of Phylogenetic Tree based upon DNA sequence analysis. pdf cladogram-phylogenetic tree worksheets. Choose from 500 different sets of phylogenetic trees flashcards on Quizlet. ! 1! Biology 1 End-of-Course Assessment Practice Test For Multiple Choice Items, circle the correct response. bone, cartilage. THESE QUESTIONS ARE NOW READY TO ANSWER. THANKS FOR YOUR PATIENCE AND POSITIVE FEEDBACK! 2. Which species is/are most closely related to species Q? R, S, and T d. Examine the phylogenetic tree in Figure 1 to answer the following questions. Not all of the choices of characteristics will be used, but all families should be represented. This question is an application of AP ® Learning Objective 1. Nowadays, these trees are usually constructed by comparing 16s/18s ribosomal RNA. Branches meet at points called nodes that represent the common ancestor of the two taxa. There are other books available that are either more basic ( Hall 2011 ) or more advanced ( Lemey et al. AP Biology Lab/Cladograms and Phylogenetic Trees Name _____ Relationship to the AP Biology Curriculum Framework Big Idea 1: The process of evolution drives the diversity and unity of life. 2: Phylogenetic trees and cladograms are graphical representations (models) of evolutionary history that can be tested. The way trees are drawn has very specific implications and students often struggle with determining relationships between organisms in different parts of the tree. It is also of note that the only illustration in On the Origin of Species (Darwin 1859) was an evolutionary tree. View Homework Help - Phylogenetic Trees Worksheet Answer Key. It is also of note that the only illustration in On the Origin of Species (Darwin 1859) was an evolutionary tree. In the example in Figure 9, taxa 8 and C are more closely related than taxa A is to taxa 8 or taxa C Creating a Hardware Phylogemy You will create a phylogenetic tree using adul Gorillia gorila parsimony to classify ten (10) pieces of hardware. World's Most Famous Hacker Kevin Mitnick & KnowBe4's Stu Sjouwerman Opening Keynote - Duration: 36:30. 4,862 possibilities; 98 of which are structurally different, seven of them are illustrated here. The vertical lines, called branches, represent a lineage, and nodes are where they diverge, representing a speciation event from a common ancestor. pdf dichotomous_key example. Answer the questions (1-10) from the chapter review on page 555. Essential knowledge 1. (This book is probably the most useful companion volume for this course, introducing the methods in a very accessible way but also providing lots of practice interpreting phylogenies correctly. what the actual pattern of evolutionary relationships is. Learning Objective: 1. doc Cladogram activity. Practice Datasets for Building Phylogenetic Trees (practice building a cladogram and a phenogram with the following data sets): Data set # 1: Organisms: Answers will be posted on Sunday morning. Online Phylogenetic Tree. Part A of the worksheet is an exercise of inferring phylogenetic relationship from purely Answers to the worksheet questions: Part A Exercise 1. Phylogenetic trees for even distantly-related organisms may be prepared using amino acid or nucleotide se-quence data. List at least 3 methods for polarizing a character for phylogenetic. Tree thinking: an introduction to phylogenetic biology. • Unrooted trees illustrate the relatedness of the leaf nodes without making assumptions about common ancestry. A mono-phyletic group is made up of an ancestral species (species B in this case) and all of its descendant species. Terminology of phylogenetic trees. Offer additional practice free-response questions by using the questions from the 2018 AP exam covering phylogenetic trees, cell structure and Get Free Access See Review 12:10. In the future, other systematists could gather other data to see if Tree 2 remains the most parsimonious tree in an independent test. org are unblocked. In practice, those simple steps are not always easy to implement. To view the question in context, click the link above the. But they all only list living species. "Phylogenetic" has two roots: Phylo: "type, kind, race, or tribe" Genetikos: "referring to origin" (genes) "the origin of types" Phylogenetic trees are the "evolutionary trees" that you see in science museums and nature shows. Generation of Phylogenetic Tree based upon DNA sequence analysis. Lesson Activity answers 1. Biology of Animals - Exam 2 - 19. See the solution. pdf cladogram-phylogenetic tree worksheets. SBI3U CLADOGRAM QUESTIONS - SOLUTIONS 1. pdf from SCIENCE 26. For the Love of Physics - Walter Lewin - May 16, 2011 - Duration: 1:01:26. Phylogenetic trees not only show how closely related organisms are but also help map out the evolutionary history, or phylogeny, of life on Earth. In the following cladogram, which node occurred earliest in time? 2. Explain how many clades are indicated b. 1 The student can pose scientific questions. Advanced cladistics practice [14] Unit 1 Test Material: Unit 1-1 Taxonomy Notes - Order or levels, purpose, binomial nomenclature. Just invest little time to contact this on-line notice pogil phylogenetic trees answer key ap biology as. Multiple Choice. , which lineage goes to the right and which goes to the left), but in fact, this ordering is not meaningful at all. 14 Research method: applying parsimony to a problem in molecular systematics. Traditionally these trees were created using physical traits of organisms such as bone structure, beak shape, etc. 3, 4, and 1). Choose your answers to the questions and click 'Next' to see the next set of questions. View Notes - Phylogenetic trees ANSWERS(2). Worksheet Creating Phylogenetic Trees from DNA Sequences Student Handout CREATING PHYLOGENETIC TREES FROM DNA SEQUENCES INTRODUCTION This worksheet complements the Click and Learn "Creating Phylogenetic Trees from DNA Sequences" developed in conjunction with the 2011 Holiday Lectures on Science, "Bones, Stones, and Genes: The Origin of Modern Human. Understanding evolutionary relationships. Only monophyletic groups qualify as legitimate taxa derived from cladistics. Worksheets are Fill out the following character mark an x if an, Cladogram work key, Practice cladogram with answers, Cladogram work answers key, Making cladograms background and procedures phylogeny, Essential knowledge phylogenetic trees and, How to make a cladogram, Practice problems. Tree thinking: an introduction to phylogenetic biology. pdf Practice making a simple cladogram. List at least 3 methods for polarizing a character for phylogenetic. Great introduction for students to learn the basics of phylogenetic trees and evolutionary relationships. According to the data represented in this tree, is the sun bear more closely related to the sloth bear or the. If organisms A, B, and C belong to the same class but to different orders and if organisms D, E, and F belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?. pdf classification and cladograms. 1)a group of species or populations that are descended from a common ancestor 2)continuous line of descent; a series of organisms, populations, cells, or genes connected by ancestor/descendent relationships. For the single-locus data set, I had found out two most suitable outgroups by BlastN against public database, however, the sequences of the two outgroup taxa are shorter than my ingroup sequences at both ends (5' end and 3' end) although there is perfect alignment. 1:42 A phylogenetic tree is a way of depicting the evolutionary history of a group of organisms. Refer to Model 1. 5 million b. First, practice reading phylogenetic relationships from the tree. 1 PRACTICE EXAMINATION QUESTIONS SHORT ANSWER QUESTIONS 1. 5, all organisms in the phylogenetic tree are members of the class Mammalia. Making statements based on opinion; back them up with references or personal experience. According to the diagram, what is the common ancestor of ALL organisms on the phylogenetic tree?. Punnett square practice problems (simple. Evolution Lab - Answer Key (Mission 1) Mission 2 - Below. The geographical distribution of forest trees in North America and Europe has changed very little in the. Chapter 23. Phylogenetic trees approximate the passing of time by the lengths of their branches. That hypothesis is derived from existing evidence: data collected through observation of morphological or genetic traits, also called character states. (2n)!/n!*(n+1)! Where n is the number of nodes (internal and leaf nodes) For example, with five sequences and four internal nodes (so n=9); we have. Start studying Phylogeny Practice. Biology of Animals - Exam 1 - Q17. Worksheets are Fill out the following character mark an x if an, Cladogram work key, Making cladograms background and procedures phylogeny, Ap biology phylogeny review work tree 1, Practice problems, Essential knowledge phylogenetic trees and, How to make a cladogram, Cladogram work name period. Watch the video clip on slide 3 and then draw a simple tree illustrating the evolutionary relationships between gorillas, chimpanzees, humans, and orangutans. Grass (2,500); Rabbit (250); Fox (25) 10. On this page you can read or download capitulo 6 test answer key in PDF format. Multiple choice: Answer questions 1 through 36 by choosing the one, best answer. Neither tree Question 2: The phylogenetic trees presented above are best described as: a. What is the primary purpose of a phylogenetic tree? a. Worksheets Learning Evolution Using Phylogenetic Analysis Student Worksheet (PDF): Following this link leads to a student worksheet that provides extremely detailed steps on how to create a phylogenetic tree. This means that all of the organisms are mammals. Not only will you have to match terms to the correct definitions, you will also practice interpreting data from actual diagrams. 0140095 at Wheeler High School, Marietta. So, I'm having a little trouble with my homework practice quiz and my AP Biology is very messed up, so my quiz never has anything to do with my unit. Phylogenetic analysis of 7:18. Test your knowledge of phylogenetic trees! If you're seeing this message, it means we're having trouble loading external resources on our website. Both trees d. Most phylogenetic trees reflect this idea by being rooted, meaning they're drawn with a branch that represents the common ancestor of all the groups on the tree. and the book is really useful and certainly adds to our knowledge after reading. $\begingroup$ I've found that a phylogenetic tree is an estimate of the true evolutionary relationships between species. Phylogenetic systematics, a. Answer the questions (1-10) from the chapter review on page 555. All the tables required for students to complete this activity, together with the step-by-step procedure and answers to the comprehension questions, Constructing a phylogenetic tree. The selection of congruent markers is thus a fundamental step in simultaneous analysis of many genes. Phylogenetic Tree Maker: Pasting phylogenetic tree sequences in newick format will instantly create a phylogenetic tree with this generator. Great introductio. Understanding and building phylogenetic trees video from Cladogram Worksheet Answers, source:khanacademy. (Note that many vertebrate lineages are excluded from this. Practice cladisitics worksheet (Not for marks pages - Cladisitic Practice Key!) 3. Bootstrapping a. Neighbor-joining trees use the pairwise distance calculated above to construct the tree. (a) Monophyletic. pdf classification and. "Phylogenetic" has two roots: Phylo: "type, kind, race, or tribe" Genetikos: "referring to origin" (genes) "the origin of types" Phylogenetic trees are the "evolutionary trees" that you see in science museums and nature shows. Horizontal line length in a phylogenetic tree indicates relative divergence time, an estimation of how long ago the extant taxa are thought to have diverged into separate species. Sometimes a cladogram is called a phylogenetic tree (though technically, there are minor differences between the two). BIG HISTORY PROJECT / LESSON 5. Welcome For Students Our Tutors News & Views Contact. Baum, Stacey DeWitt Smith, Samuel S. In other words, under this criterion, the. Students watch a video tutorial on Phylogenetic Trees and then answer questions posed in video format. The distance between organisms in a phylogenetic tree. CLADOGRAM ANALYSIS KEY. Biology of Animals - Exam 1 - Q16. Punnett square practice problems (simple. 0140095 at Wheeler High School, Marietta. Phylogenetic trees are mathematical struc-tures that depict the evolutionary history of a group of organisms or genes. 1 PRACTICE EXAMINATION QUESTIONS SHORT ANSWER QUESTIONS 1. Cladogram Analysis Key. 3, 4, and 1). Which number represents the most recent common ancestor of (a) all bears, (b) sloth bears and spectacled bears, and (c) the Asian black bear and the brown bear? 2. The Evolution Lab is designed to be implemented in a teaching unit over the course of several class. Phylograms c. To make phylogenetic trees, scientists use molecular sequencing and/or morphological similarities in order to characterize the relationships between. Try this quiz about phylogenetic trees. Thus, we cannot really measure a tree's accuracy because we don't know the 'true value' i. Balancing Equations Worksheet Maths, Balancing Equations Worksheet Maths Ks2, Balancing Equations Mega Worksheet Answers, Balancing Equations Mega Worksheet, Balancing Equations Worksheet Misterguch, Balancing Equations Maths Worksheet Tes, Balancing Equations Worksheet Multiple Choice, Balancing Equations Worksheet Mr Guch, Balancing Equations Worksheet Middle School Pdf, Balancing Equations. Published articles on teaching in this field introduce students to phylogenetics through tree reconstruction by building a table of synapomorphies ( 3 ), or using. Online Practical Materials Chapter 2 - Working with the Tree of Life in Comparative Studies: How to Build and Tailor Phylogenies to Interspecific Datasets 1) Exercises for building and manipulating phylogenetic trees ← back to the list of Chapter 2 OPMs. 0 by keeping bootstrap value 100 I got the following tree, is it fine or not Please let me know in detail in this regards. Over time (billions of years) mutations have occurred in the cytochrome c gene that do not affect the function of the. Humans did not evolve from chimps. Clearly, then, we need a textbook for students and nonexperts, and Tree Thinking: An Introduction to Phylogenetic Biology is intended to be that book. 1 to answer the following questions. Some of the worksheets for this concept are Fill out the following character mark an x if an, Cladogram work key, Practice cladogram with answers, Cladogram work answers key, Making cladograms background and procedures phylogeny, Essential knowledge phylogenetic trees and, How to make a cladogram, Practice. org are unblocked. $\begingroup$ I've found that a phylogenetic tree is an estimate of the true evolutionary relationships between species. 12 Branch lengths can represent genetic change ; Figure 20. A phylogenetic tree is a way of showing how different organisms are thought to be related to one another from an evolutionary standpoint. Cladogram Practice 1. 4,862 possibilities; 98 of which are structurally different, seven of them are illustrated here. the outgroup taxon. Not only will you have to match terms to the correct definitions, you will also practice interpreting data from actual diagrams. Today's lecture Understanding phylogenetic trees Phylogeny = the pattern of evolutionary relationships among species, their descent from common ancestors What is phylogeny? "… the great Tree of Life, which fills with its dead and broken branches the crust of the earth, and covers the surface with its ever-branching and. Biology of Animals - Exam 2 - 17. Basic Tree Thinking Assessment David A. Incongruence among phylogenetic methods (Pinus and Gnetum case). Answer the following questions as you proceed through the activity slides. The 1 in the matrix indicates presence of a shared character that unites the clades. It is also of note that the only illustration in On the Origin of Species (Darwin 1859) was an evolutionary tree. THESE QUESTIONS ARE NOW READY TO ANSWER. Students will learn what a node is, and how branches on Students first read descriptions of the three species and are asked to underline features that the dog and wolf share, then place a star next to similarities to a coyote. According to the data represented in this tree, is the sun bear more closely related to the sloth bear or the. 3 kg =3300 g 10)11,149 g = 11. (Note that many vertebrate lineages are excluded from this. The outgroup is considered a taxon (or sometimes a group of taxa) that is closely related to the group of interest (i. • Difficult to solve (NP-hard, also difficult in practice) • Modelling of homoplasy (recurrent and back mutation) is in • Phylogenetic tree construction is so standardized that certain concepts (such as bootstrapping: a measurement of solution "An introduction to phylogenetic networks", RJR-productions, 2011 • "The. INFERRING PHYLOGENY FROM DNA SEQUENCES Let's practice what we've learned so far. We now begin Unit Two, in which we will be discussing phylogenetic trees. Practice Problems provided include Answers Arthropoda - Tree of Life Web Project. Using your textbook and the explanations below, determine which of the characteristics each animal has. Which species branched off from the other three the earliest? c. Balancing Equations Worksheet Maths, Balancing Equations Worksheet Maths Ks2, Balancing Equations Mega Worksheet Answers, Balancing Equations Mega Worksheet, Balancing Equations Worksheet Misterguch, Balancing Equations Maths Worksheet Tes, Balancing Equations Worksheet Multiple Choice, Balancing Equations Worksheet Mr Guch, Balancing Equations Worksheet Middle School Pdf, Balancing Equations. Horizontal line length in a phylogenetic tree indicates relative divergence time, an estimation of how long ago the extant taxa are thought to have diverged into separate species. ©2005 CIBT Evolving Trees – Teacher Section Page 10 4. To make phylogenetic trees, scientists use molecular sequencing and/or morphological similarities in order to characterize the relationships between. 7) 28 mm = 2. It is also of note that the only illustration in On the Origin of Species (Darwin 1859) was an evolutionary tree. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Figure 1: Use the phylogenetic tree shown to complete the following a. parsimony - principle in science where the simplest answer The preferred phylogenetic tree is the one that requires the fewest evolutionary steps. Displaying all worksheets related to - Cladogram Answer Key. Tail 2 1 2 Number of molars 2 1 2 Total changes 7 4 7 It is clear from the table that Tree 2 is the most parsimonious, requiring only four evolutionary changes for the four characters chosen. 1 because students must pose questions about evolutionary history before they can answer them. (2n)!/n!*(n+1)! Where n is the number of nodes (internal and leaf nodes) For example, with five sequences and four internal nodes (so n=9); we have. This is a bifurcating tree. If you're behind a web filter, please make sure that the domains *. Students examine a phylogenetic tree which has questions for them to discover how the tree is organized. Choose from 500 different sets of phylogenetic trees flashcards on Quizlet. Figure 2: Use the data presented in the table to label the small circles in the cladogram with the derived traits 3. So how do you tell which organisms on a tree are most closely related to one another? It's tempting to focus on the order of the branch tips on a tree (i. Finally you search all possible trees to find the tree with the best score (i. Phylogenetic analysis of 7:18. UBC Biology 121 2018 Practice worksheet Reading Phylogenetic trees ANSWER. Download directly book Model 1 Phylogenetic Trees Answer Key PDF Download is absolutely free and you can choose the format PDF, Kindle, ePub, iPhone and Mobi, etc. Insofar as real biological examples have been used they are accurate based on current knowledge. Cladograms & Phylogenetic Trees Natural Selection Evidence for Evolution Cladograms & Phylogenetic Trees Taxonomy Assessments Videos Activities cladogram-phylogenetic tree worksheets. Students learn about the structure of phylogenetic trees, most recent common ancestors, branch points, nodes, homology, and have 7 practice trees they make with an online game. Students learn about the structure of phylogenetic trees, most recent common ancestors, branch points, nodes, homology, and have 7 practice trees they make with an online game. Click the play icon on the Video Tutor Session. I have to disagree with Stephen that 'any sequence not in the tree' would be a good outgroup. How are trees constructed? On the basis of scientific evidence 4. Learning Objective: 1. Nowadays, these trees are usually constructed by comparing 16s/18s ribosomal RNA. In your case, it is relatively easy: add a chicken or fish ortholog to your dataset and put the root on the chicken/fish branch. This phylogenetic tree can also be called a cladogram, which means that it follows the specific rules of the cladistic approach to systematics. For each labeled group (1, 2, and 3) on the phylogeny below, note whether the number indicates a monophyletic group, a paraphyletic group, or a polytomy. Phylogenies based on the combined dataset (concatenation of four genes) containing alignments of 5072 nucleotide characters from 35 taxa []. You can do a Taxon search (e. Cladogram Answer Key. Title Exploring Evolution Using Scientific Databases Curriculum Unit Plan Introduction In these lessons plans, students will explore scientific databases to understand evolutionary relationships between organisms. evolutionary trees: Reconstructing trees: A simple example. A phylogenetic tree is a visual representation of the relationship between different organisms, showing the path through evolutionary time from a common ancestor to different descendants. In other words, under this criterion, the. Evolution Lab - Answer Key (Mission 1) Mission 2 - Below. Model 1 — Phylogenetic Trees Millions of Years Ago 40 35 30 25 20 10 15 Common ancestor of all modern Raccoons, Pandas, and Bears. • Unrooted trees illustrate the relatedness of the leaf nodes without making assumptions about common ancestry. Phylogenetic trees are mathematical struc-tures that depict the evolutionary history of a group of organisms or genes. How accurate is a typical phylogentic tree? 23. , convergent evolution, parallel evolution, and evolutionary reversals). Just invest little time to contact this on-line notice pogil phylogenetic trees answer key ap biology as. AP Biology - Evolution Unit Practice Exam. Sample answer: Humans and chimpanzees were on the same part of the taxonomic tree until about 7 million years ago, when humans branched off on their own. what problems would you have if you tried to build a phylogenetic tree without an outgroup?) (note: all taxa on the phylogenetic tree that are not the outgroup are referref to collectively as the ingroup. $\begingroup$ In a phylogenetic tree or evolutionary tree, the internal nodes are usually inferred ancestors, and therefore they have at least two children. Cladograms & Phylogenetic Trees Natural Selection Evidence for Evolution Cladograms & Phylogenetic Trees Taxonomy Assessments Videos Activities cladogram-phylogenetic tree worksheets. UBC Biology 121 2018 Practice worksheet Reading Phylogenetic trees ANSWER. Amphibians. Today's lecture Understanding phylogenetic trees Phylogeny = the pattern of evolutionary relationships among species, their descent from common ancestors What is phylogeny? "… the great Tree of Life, which fills with its dead and broken branches the crust of the earth, and covers the surface with its ever-branching and. 2: Phylogenetic trees and cladograms are graphical representations (models) of evolutionary history that can be tested. Identify the choice that best completes the statement or answers the question. To view the question in context, click the link above the question to open up the exam in a new tab. Phylogenetic tree. (This book is probably the most useful companion volume for this course, introducing the methods in a very accessible way but also providing lots of practice interpreting phylogenies correctly. Scientists compare these mutations using sequence alignments to reconstruct evolutionary history. First, practice reading phylogenetic relationships from the tree. The bootstrap supports of each tree are indicated to the left of the corresponding. 1 - Cite specific textual evidence to support analysis of science and technical texts, attending to the precise details of explanations or descriptions. Original Document: Cladogram Analysis What is a cladogram? It is a diagram that depicts evolutionary relationships among groups. Examine the phylogenetic tree in Figure 1 to answer the following questions. Producer = Autotroph Consumer = Heterotroph 5. The corn population would increase, because there aren't any organisms eating them. Wojciech Grajkowski Szkoła Festiwalu Nauki, ul. A phylogenetic tree is a way of showing how different organisms are thought to be related to one another from an evolutionary standpoint. Nombre Capitulo 3A Fecha Practice Workbook 3A-1. Watch the short video on slide 4. $\endgroup$ - Bangye Nov 11 '15 at 21:42. List the similarities and differences between passive diffusion and facilitated diffusion. ©2005 CIBT Evolving Trees - Teacher Section Page 10 4. The advent of DNA technology has given scientists the tools with which to examine how closely related certain species are. Annual Review of Ecology and Systematics 23: 449-480. The outgroup is considered a taxon (or sometimes a group of taxa) that is closely related to the group of interest (i. pdf from SCIENCE 26. 1 because students must pose questions about evolutionary history before they can answer them. Phylogenetic trees are mathematical struc-tures that depict the evolutionary history of a group of organisms or genes. Watch the video clip on slide 3 and then draw a simple tree illustrating the evolutionary relationships between gorillas, chimpanzees, humans, and orangutans. Which number represents the most recent common ancestor of (a) all bears, (b) sloth bears and spectacled bears, and (c) the Asian black bear and the brown bear? 2. what problems would you have if you tried to build a phylogenetic tree without an outgroup?) (note: all taxa on the phylogenetic tree that are not the outgroup are referref to collectively as the ingroup. HHMI Phylogenetic_trees C&L. Biology of Animals - Exam 2 - 17. Great introduction for students to learn the basics of phylogenetic trees and evolutionary relationships. While I construct a phylogenetic tree in MEGA 6. For the Love of Physics - Walter Lewin - May 16, 2011 - Duration: 1:01:26. $\endgroup$ - Bangye Nov 11 '15 at 21:42. 11a Constructing a phylogenetic tree (part 1: character table) Figure 20. Phylogenetic trees are mathematical struc-tures that depict the evolutionary history of a group of organisms or genes. A mono-phyletic group is made up of an ancestral species (species B in this case) and all of its descendant species. In lecture, students see phylogenetic trees on a daily basis and are required to memorize the inferred evolutionary relationships of major taxa. will annoy some specialists, "evolutionary tree,""phylogenetic tree," and "phylogeny" are used interchangeably. Currently, most biologists divide the animal kingdom into 35 to 40 phyla. In your case, it is relatively easy: add a chicken or fish ortholog to your dataset and put the root on the chicken/fish branch. Neighbor-joining trees use the pairwise distance calculated above to construct the tree. Maximum parsimony 1. Thank you View. Biology of Animals - Exam 1 - Q17. In general practice of phylogenetic reconstruction, one would want to use the most closely related. A phylogenetic tree is a visual representation of the relationship between different organisms, showing the path through evolutionary time from a common ancestor to different descendants. See the solution. Click the play icon on the Video Tutor Session. You can try TreeBASE which is a repository of phylogenetic trees (12,817 trees from 104,593 distinct taxa) and corresponding multiple sequence alignments (8,233 alignments) from publications. Students examine a phylogenetic tree which has questions for them to discover how the tree is organized. Displaying top 8 worksheets found for - Cladogram Analysis Key. To sum up, according to him: this type of phylogenetics molecular-evolution cladistics. Biology of Animals - Exam 2 - 15. Click the play icon on the Video Tutor Session. The primary purpose of a phylogenetic tree is to be able to trace evolutionary relationships amongst organisms. ---Complete this problem. • Difficult to solve (NP-hard, also difficult in practice) • Modelling of homoplasy (recurrent and back mutation) is in • Phylogenetic tree construction is so standardized that certain concepts (such as bootstrapping: a measurement of solution "An introduction to phylogenetic networks", RJR-productions, 2011 • "The. Correct Answer: A. Both plants and animals 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. edu › … › IB Math 2 › Worksheets Events, assignments, and resources for students in Reinsch IB Math 2, periods 1 and 2. Which 2 species are least. Use Figure 26. Phylogenetic trees not only show how closely related organisms are but also help map out the evolutionary history, or phylogeny, of life on Earth. That hypothesis is derived from existing evidence: data collected through observation of morphological or genetic traits, also called character states. Begin drawing the phylogenetic tree. Maximum parsimony 1. The primary purpose of a phylogenetic tree is to be able to develop species and genus names of new discovered organisms. Figure 2: Use the data presented in the table to label the small circles in the cladogram with the derived traits 3. AP Biology - Evolution Unit Practice Exam. You can interpret the degree of relationship between two organisms by looking at their positions on a phylogenetic tree. It will not waste your time. (Note that many vertebrate lineages are excluded from this. The tips of the branches represent the species or other taxa that scientists compare. Choose the taxa. Biology of Animals - Exam 1 - Q17. , convergent evolution, parallel evolution, and evolutionary reversals). The source of their nutrients 2. Showing top 8 worksheets in the category - Phylogenetic Trees. Model 1 - Phylogenetic Trees Common ancestor of all modern Raccoons, Pandas, and Bears. View Notes - Phylogenetic trees ANSWERS(2). Horizontal line length in a phylogenetic tree indicates relative divergence time, an estimation of how long ago the extant taxa are thought to have diverged into separate species. Hamdi H, Nishio H, Zielinski R, Dugaiczyk A (1999) Origin and phylogenetic distribution of Alu DNA repeats: irreversible events in the evolution of primates. Cladogram Analysis Key. View Homework Help - Phylogenetic Trees Worksheet Answer Key. This tree of life is also referred to as a phylogeny or phylogenetic tree. The book Model 1 Phylogenetic Trees Answer Key PDF Kindle is very good and also much like today. See the solution. (Activity 32A). What is one advantage of building phylogenetic trees using DNA comparisons rather than. A) evolution. Answer the questions (1-10) from the chapter review on page 555. Worksheets are Fill out the following character mark an x if an, Cladogram work key, Making cladograms background and procedures phylogeny, Ap biology phylogeny review work tree 1, Practice problems, Essential knowledge phylogenetic trees and, How to make a cladogram, Cladogram work name period. Alternatively, some phylogenetic trees depict relationships among individuals within a species (e. Click the play icon on the Video Tutor Session. org are unblocked. A phylogenetic tree is a way of showing how different organisms are thought to be related to one another from an evolutionary standpoint. Thank you View. Understanding evolutionary relationships. Using your textbook and the explanations below, determine which of the characteristics each animal has. 2 Introducing some of the most commonly used methods for phylogenetic analysis. Essential knowledge 1. Introduction: Now that you have leaned how to use a protein sequence database, you will practice using a DNA database to generate hypothesis trees for the same. Annual Review of Ecology and Systematics 23: 449-480. 1 because students must pose questions about evolutionary history before they can answer them. Thank you View. Phylogenetic trees are a way of representing phylogeny, or shared evolutionary history. Which species branched off from the other three the earliest? c. This question is an application of AP ® Learning Objective 1. Cladograms & Phylogenetic Trees Taxonomy Assessments Videos Activities cladogram-phylogenetic tree worksheets. Overview In Part One of this activity you will be changing the "ancestral DNA" with random mutations over time, as well as making divergences into different evolutionary lines. View Homework Help - Phylogenetic Trees Worksheet Answer Key. B) the fossil record. Advanced cladistics practice [14] Unit 1 Test Material: Unit 1-1 Taxonomy Notes - Order or levels, purpose, binomial nomenclature. Worksheets are Fill out the following character mark an x if an, Cladogram work key, Practice cladogram with answers, Cladogram work answers key, Making cladograms background and procedures phylogeny, Essential knowledge phylogenetic trees and, How to make a cladogram, Practice problems. org Page 1 of 10 !!!!! COMPARING DNA SEQUENCES TO DETERMINE EVOLUTIONARY RELATIONSHIPS AMONG MOLLUSKS OVERVIEW In the online activity "Biodiversity and Evolutionary Trees: An Activity on Biological Classification," you generated a phylogenetic tree of mollusks using only shell morphology. Phylogenetic trees approximate the passing of time by the lengths of their branches. The differences between the sequences in. A phylogenetic tree like this one represents a hypothesis about the evolution of the organisms it depicts. How has biotechnology affected the process of building phylogenetic trees from DNA sequences?. Phylogenetic trees are tools that biologists use to depict evolutionary relationships and organismal diversification, but they can be challenging for students to conceptualize. Learn phylogenetic trees with free interactive flashcards. Identify the population of brown bears to which polar bears are most closely related based on the mitochondrial DNA sequence comparison. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Title Exploring Evolution Using Scientific Databases Curriculum Unit Plan Introduction In these lessons plans, students will explore scientific databases to understand evolutionary relationships between organisms. answer choices. The Roslin Institute - Training 58,525 views. Choose from 500 different sets of phylogenetic trees flashcards on Quizlet. With the most parsimonious cladogram that the students can build, a hierarchical taxonomy can be made. Great introduction for students to learn the basics of phylogenetic trees and evolutionary relationships. Extra office hours will be Sunday from 3-4:30 in Lisner 420. AP Biology - Evolution Unit Practice Exam. BIG HISTORY PROJECT / LESSON 5. For each possible tree, calculate the Bootstrapping in practice. Cladogram Worksheet Answers Indiana Edu Deployday from Cladogram Worksheet Answers, source:deployday. This question is an application of AP ® Learning Objective 1. Model 1 - Phylogenetic Trees Common ancestor of all modern Raccoons, Pandas, and Bears. According to the diagram, what is the common ancestor of ALL organisms on the phylogenetic tree?. Finally you search all possible trees to find the tree with the best score (i. Begin drawing the phylogenetic tree. 5 million b. First, practice reading phylogenetic relationships from the tree. Test your knowledge of phylogenetic trees! If you're seeing this message, it means we're having trouble loading external resources on our website. Multiple choice: Answer questions 1 through 36 by choosing the one, best answer. Biology of Animals - Exam 2 - 15. Evolution Lab - Answer Key (Mission 1) Mission 2 - Below. Bootstrapping generally means to create a process that possess the ability to sustain itself. Raccoon Sloth Bear Sun Bear Black Bear Polar Bear Brown Bear Red Panda Giant Panda Spectacled Bear Millions of Years Ago 40 35 30 25 20 15 10 5 0 * 1. But they all only list living species. Cladogram Analysis Key. generate lots of trees (phylogenetic systematics) reflect. Which species is/are most closely related to species V? U b. Making statements based on opinion; back them up with references or personal experience. bone, cartilage. Chapter 22. Choose the taxa. A simple Newick string example is resolved as follows: "(A:0. evolutionary trees: Reconstructing trees: A simple example. Systematics (originally: = taxonomy) aims at ordering t. Trees were inferred using (A) NJ and (B) ML methods under GTR model with rate heterogeneity (α = 0. 30 million d. There should be only one correct answer per family. B) at whose base is located the common ancestor of all taxa depicted on that tree. Donovan This quiz includes a number of multiple-choice questions you can use to test yourself on your ability to accurately interpret evolutionary trees. Define outgroup and explain its function in building a phylogenetic tree. Other Results for Pogil Activities For Ap Biology Phylogenetic Trees Answer Key: 03201701 - kimberliejane. Biology of Animals - Exam 2 - 21. A mono-phyletic group is made up of an ancestral species (species B in this case) and all of its descendant species. It uses sequence similarity to place organisms at various positions in the tree. Building a Neighbor-Joining Phylogenetic Tree using Distance Methods. Some of the worksheets for this concept are Fill out the following character mark an x if an, Cladogram work key, Making cladograms background and procedures phylogeny, Ap biology phylogeny review work tree 1, Practice problems, Essential knowledge phylogenetic trees and, How to make a cladogram, Cladogram work. pdf from PSYC 102 at University of British Columbia.
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