Scientists have a very complete fossil record showing the evolution of horses over millions of years, with the legs becoming longer and the teeth larger. These evolutionary changes were from the ancestry horse adapting from living in forests to the modern horse feeding on grasslands. This is an example of

A. gradualism.
B. a prezygotic barrier to evolution.
C. punctuated equilibrium.
D. adaptive radiation.
E. extinction.


A. gradualism.

Biology & Microbiology

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What will be an ideal response?

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