The main difference between human brains and the brains of their mammalian relatives is that human brains tend to be bigger and
A) whiter.
B) all gray.
C) have more cortex.
D) have two hemispheres.
E) both C and D

Question

Quizplus · Accepted Answer

Human brains tend to have more cortex compared to the brains of their mammalian relatives, which is a key factor in the higher level of cognitive functions observed in humans.

The Main Difference Between Human Brains and the Brains of Their