Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 26, Problem 2IQ
What two complications may make it difficult to determine phylogenetic relationships based on morphological similarities between species? Give examples.
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Based on the information from the following table and the
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O Sympatric Species Concept
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Which of the following best explains the morphological species concept?
How would the phylogenetic species concept resolve the controversy over how many species exist in Ensatina eschscholtzii?
Chapter 26 Solutions
Study Guide for Campbell Biology
Ch. 26 - a. In this hypothetical phylogenetic tree, which...Ch. 26 - What two complications may make it difficult to...Ch. 26 - Place the taxa (outgroup. A, B, C, and D) on the...Ch. 26 - Prob. 4IQCh. 26 - a. Give an example of genes that would be compared...Ch. 26 - Prob. 6IQCh. 26 - Prob. 7IQCh. 26 - Prob. 1SYKCh. 26 - Prob. 2SYKCh. 26 - Prob. 3SYK
Ch. 26 - Related families are grouped into the next-highest...Ch. 26 - Prob. 2TYKCh. 26 - Prob. 3TYKCh. 26 - Prob. 4TYKCh. 26 - Prob. 5TYKCh. 26 - Prob. 6TYKCh. 26 - Prob. 7TYKCh. 26 - Prob. 8TYKCh. 26 - A taxon such as the class Reptiliawhich includes...Ch. 26 - You wish to study evolutionary relationships among...Ch. 26 - Prob. 11TYKCh. 26 - Prob. 12TYKCh. 26 - Prob. 13TYKCh. 26 - Prob. 14TYKCh. 26 - Prob. 15TYKCh. 26 - Which of the following approaches would allow a...Ch. 26 - A comparative study of which of the following...Ch. 26 - Prob. 18TYKCh. 26 - Which of the following segments of DNA would...Ch. 26 - Which of the following is the best description of...Ch. 26 - Prob. 21TYK
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- What is the difference between a cladogram and a phylogenetic tree? Given a cladogram for a group of species, what additional interpretation is needed to obtain a phylogenetic tree?arrow_forwardDefine homology and homoplasy and explain their connection to the concept of parsimony in phylogenetic analysis. Provide an example of each and discuss the challenges they may present when inferring evolutionary relationships.arrow_forwardGiven a cladogram for a group of species, what additional interpretation is needed to obtain a phylogenetic tree?arrow_forward
- Below are phylogenetic trees depicting the relationships among four species, A, B, C, and D. Which of the following statements is correct? ABCD ADCB DCBA D CAB (1) (2) (3) (4) Tree (1) and Tree (2) are the same tree. Tree (2) and Tree (4) are the same tree. Tree (2) and Tree (3) are the same tree. All four trees are in fact the same tree. All four trees are in fact different trees.arrow_forwardReferring to the phylogenetic tree shown above, answer the following questions: 1. How many OTUs are included in the phylogenetic analysis? 2. How many clades are there? 3. What is an autapomorphic trait of the domestic cat? Explain why? 4. What is the shared derived trait (synapomorphy) in the Family Felidae? Explain why?arrow_forwardThe table shows the distribution of traits (A-E) in six extant species (1-6). A “0” indicates the ancestral condition, and a “1” indicates the derived condition. 1. Which trait is least informative of phylogenetic relationships within the group? 2. Which species has the fewest number of derived characters?arrow_forward
- Consider the cladogram shown. 1. Which pair of species shares the greatest number of derived characters (synamorphies)? 2. Which species has the greatest number of ancestral character states (plesiomorphies)?arrow_forwardHow many operational taxonomic units (OTUs) are included in this cladogram?arrow_forwardExamine the following phylogenetic tree illustrated in Figure shown in the first picture. In general, what does a phylogenetic tree illustrate? How do you compare the relationships of organisms BB, CC, and DD? Given the following organisms in the Table in the second picture, number them in terms of which is relatively closest and distant. Number 1 refers to closest.arrow_forward
- Why are paraphyletic groups considered as bad groups in a phylogenetic tree?arrow_forwardAre species that are taxonomically similar automatically phylogenetically similar ? Why or why not ? Please explain well thank youarrow_forwardBased on the past activities about constructing of phylogenetic trees, how do you distinguish characteristics between primitive and derived characteristics? provide and example to your answerarrow_forward
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