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

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.