Question

According to the history of human evolution what made apes and primitive human ancestors come down from trees and walk on 4 limbs on the ground?

• A. A sudden volcanic eruption
• B. Drought in the forest and loss of habitat
• C. Intensely cold temperatures and formation of glaciers
• D. Excess food in the forest ground

Answer 1

The correct option is C

Intensely cold temperatures and formation of glaciers

According to the history of human evolution, forests dwindled due to glaciation. This period is what is popularly known as the Ice age.

The intensely cold temperature and formation of glaciers brought all the apes and human ancestors to the ground.