Paleontologists disagree about the pace of speciation because
A) both gradualism and punctuated equilibrium are possible.
B) they really are not sure how fast speciation occurred millions of years ago.
C) there are good examples of both.
D) all of the above.

Question

Quizplus · Accepted Answer

Paleontologists disagree about the pace of speciation because both gradualism and punctuated equilibrium are possible, there is uncertainty about the speed of speciation in the past, and there are examples supporting both theories.

Paleontologists Disagree About the Pace of Speciation Because