Gorillas, like humans, live on the ground. Chimpanzees spend much of the daytime on the ground. One reason for this descent was their increase in size.

Question

Quizplus · Accepted Answer

Gorillas and humans are primarily ground-dwelling animals, while chimpanzees spend more time in trees but do come down to the ground during the daytime. The increase in size of chimpanzees may have contributed to their increased time on the ground, but this is not the main reason for their descent.

Gorillas, Like Humans, Live on the Ground