Mass extinctions frequently result in adaptive radiation because they lead to
A) allopatric speciation.
B) postzygotic barriers in other species.
C) mechanical isolation in other species.
D) ecological isolation in other species.
Correct Answer:
Verified
Q22: Polyploidy can lead to very rapid speciation
Q23: Grizzly bears,whales,mice,and humans are very different genotypically
Q24: Sympatric speciation
A) occurs only in plants.
B) is
Q25: Which of the following is NOT due
Q26: Adaptive evolution
A) is large-scale movement of a
Q28: In the following illustration of adaptive radiation
Q29: In general,geographical isolation occurs when
A) populations migrate
Q30: The two squirrel species shown in the
Q31: Adaptive evolution allows species to
A) reduce the
Q32: Adaptive radiation gives rise to
A) many descendent
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