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

Question

Quizplus · Accepted Answer

The gradual changes in the horse's anatomy and habitat over millions of years exemplifies gradualism, the idea that evolution occurs slowly and gradually over long periods of time rather than in sudden bursts (punctuated equilibrium) or through rapid diversification (adaptive radiation). Extinction and prezygotic barriers are not applicable in this scenario.

Scientists Have a Very Complete Fossil Record Showing the Evolution