Multiple Choice
Several related bird species live in a desert.One species is much smaller than the other species.This small species nests in holes in cacti.Because the bird is so small,it can easily squeeze between the spines of the cactus and create a well-protected nest.This is an example of
A) genetic drift.
B) mutation.
C) natural selection.
D) gene flow.
Correct Answer:
Verified
Correct Answer:
Verified
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