Multiple Choice
Scientists have a complete fossil record showing the evolution of horses over millions of years,with the legs becoming longer and the teeth larger,as ancestors of the modern horse adapted from living in forest to grasslands.This is an example of
A) punctuated equilibrium.
B) extinction.
C) a postzygotic barrier to evolution.
D) gradualism.
E) a prezygotic barrier to evolution.
Correct Answer:

Verified
Correct Answer:
Verified
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