Tool use, bipedal locomotion, and social organization placed the strongest natural selection pressures on which of the following? The _______.
A)teeth
B)hands
C)pelvis
D)brain

Question

Quizplus · Accepted Answer

The brain was most significantly affected by natural selection pressures from tool use, bipedal locomotion, and social organization, leading to increased cognitive abilities, problem-solving skills, and complex social behaviors.

Tool Use, Bipedal Locomotion, and Social Organization Placed the Strongest