Study of the fossil record has revealed that species go extinct and new species evolve
A) very slowly most of the time,with short periods of rapid evolution.
B) at roughly the same rates for all of life's history.
C) only during times of continental rifting.
D) at the same rates for all types of organisms.

Question

Quizplus · Accepted Answer

The fossil record shows that there are long periods of relative stability punctuated by short bursts of rapid evolution and extinction events. This is known as punctuated equilibrium. Therefore, option A is the best choice.

Study of the Fossil Record Has Revealed That Species Go