EP CONNECT ONLINE ACCESS FOR BIOLOGY
20th Edition
ISBN: 9781260494655
Author: Raven
Publisher: MCG COURSE
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Chapter 23, Problem 2A
Rapid rates of character change relative to the rate of
a. the frequency with which distantly related species evolve the same derived character state may be high.
b. evolutionary reversals may occur frequently.
c. homoplasy will be common.
d. All of the choices are correct.
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Students have asked these similar questions
Derived characters are traits:
A. that are more complicated than ancestral characters
B. that characterize the last common ancestor of a particular collection of species.
C. that have evolved after the last common ancestor of a particulan collection of species.
D. that are less well suited to the environment than ancestral characters.
The principle of parsimony
a. helps evolutionary biologists distinguish among competing phylogenetic hypotheses.
b. does not require that the polarity of traits be determined.
c. is a way to avoid having to use outgroups in a phylogenetic analysis.
d. cannot be applied to molecular traits.
Cladistic principles suggest that:
a.
All apes are hominins.
b.
Outgroups can help to define natural groups by showing what is primitive, and hence, what is derived.
c.
Birds are crocodiles.
d.
Species boundaries are fuzzy.
e.
None of the above is correct.
Chapter 23 Solutions
EP CONNECT ONLINE ACCESS FOR 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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