Scientists Have a Very Complete Fossil Record Showing the Evolution

question 49

Multiple Choice

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,as ancestors of the modern horse adapted from living in forest to grasslands.This is an example of

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

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