Question

Scientists think that chimpanzees and gorillas share a common ancestor. Today, it is not possible for a chimpanzee and gorilla to mate and produce fertile offspring.

What is this an example of?


A.succession

B.natural selection

C.spontaneous generation

D.speciation

Answer 1

B. natural selection

Answer 2

D. speciation. The common ancestor of gorillas and chimpanzees evolved into two distinct species through the process of speciation. Separate species cannot successfully produce fertile offspring.