Biology, 7e (Campbell) Chapter 24: the Origin of Species

5836 words 24 pages
Biology, 7e (Campbell)
Chapter 24: The Origin of Species

Chapter Questions

1) Which of the following applies to both anagenesis and cladogenesis?
A) branching
B) increased diversity
C) speciation
D) more species
E) adaptive radiation
Answer: C
Topic: Concept 24.1
Skill: Comprehension

2) Which of the following statements about species, as defined by the biological species concept, is (are) correct? I. Biological species are defined by reproductive isolation. II. Biological species are the model used for grouping extinct forms of life. III. The biological species is the largest unit of population in which successful reproduction is possible.
A) I only
B) II only
C) I and III
D) II and III
E) I,
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The species boundaries are maintained by reproductive barriers. In each case, match the various descriptions of frogs below with the appropriate reproductive barrier listed. Options may be used once, more than once, or not at all.

A) behavioral B) gametic C) habitat D) temporal E) mechanical

21) Males of one species sing only during rainy conditions; males of another species sing only when it is not raining.
Answer: A
Topic: Concept 24.1
Skill: Application

22) One species lives only in tree holes; another species lives only in streams.
Answer: C
Topic: Concept 24.1
Skill: Application

23) Females of one species choose mates based on song quality; females of


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