BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 23.2, Problem 2LO
Summary Introduction
To determine: The reason that only shared, derived characters indicate close evolutionary relationship.
Introduction: Derived characters can be defined as a contrast to an assembly that is closely associated and are known to be as out-group.
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Why don’t shared ancestral characters provide evidence for relationships between organisms within a taxon that has those traits? Give an example.
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Using the phylogeny, which statement best explains the evolutionary relationship of birds and bats?
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Chapter 23 Solutions
BIOLOGY
Ch. 23.1 - Prob. 1LOCh. 23.1 - Prob. 2LOCh. 23.2 - Prob. 1LOCh. 23.2 - Prob. 2LOCh. 23.2 - Demonstrate how a cladogram is constructed.Ch. 23.3 - Explain the taxonomic classification system.Ch. 23.3 - Prob. 2LOCh. 23.3 - Prob. 3LOCh. 23.4 - Prob. 1LOCh. 23.4 - Prob. 2LO
Ch. 23.4 - Prob. 3LOCh. 23.5 - Prob. 1LOCh. 23 - Construct a data matrix like the one in figure...Ch. 23 - Prob. 1IQCh. 23 - Prob. 2IQCh. 23 - Prob. 3IQCh. 23 - Prob. 4IQCh. 23 - Overall similarity of phenotypes may not always...Ch. 23 - a. is based on overall similarity of phenotypes....Ch. 23 - The principle of parsimony a. helps evolutionary...Ch. 23 - Parsimony suggests that parental care in birds,...Ch. 23 - The forelimb of a bird and the forelimb of a...Ch. 23 - In order to determine polarity for different...Ch. 23 - In a paraphyletic group a. all species are more...Ch. 23 - A paraphyletic group includes a. an ancestor and...Ch. 23 - Prob. 9UCh. 23 - A taxonomic group that contains species that have...Ch. 23 - Rapid rates of character change relative to the...Ch. 23 - Species recognized by the phylogenetic species...Ch. 23 - Prob. 1SCh. 23 - Identifying outgroups is a central component of...Ch. 23 - As noted in your reading, cladistics is a widely...Ch. 23 - Across many species of limpets, loss of larval...Ch. 23 - Birds, pterosaurs (a type of flying reptile that...Ch. 23 - AID:1825 | 10/04/2018 6. In what sense does the...
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- The wing of a bird and the arm of a human are examples of ______. a. vestigial structures b. molecular structures c. homologous structures d. analogous structuresarrow_forwardExplain why the statement that a monkey is more evolved than a mouse is incorrect.arrow_forwardExplain why the shape and size of a bird's beak is the result of natural selectionarrow_forward
- Apply the concept of shared derived characters to the classification of organisms.arrow_forwardWhat is the difference between an ancestral character and a shared derived character?arrow_forwardUse the evolutionary tree below to answer the questions that follow. a. What number represents the most recent common ancestor to all the organisms on this tree? b. Name the organisms that share the homologous structure of the amnion. c. According to this tree are humans more closely related to lizards or salamanders? Explain your answer.arrow_forward
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