The major reason why chimps cannot speak is that they:
A) lack the presence of the appropriate language area in the brain.
B) are unable to learn through observation.
C) are unable to understand speech.
D) lack the appropriate vocal apparatus to do so.

Question

Quizplus · Accepted Answer

Chimpanzees lack the appropriate vocal apparatus, including the vocal cords and the precise control over breathing and the movements of the mouth and tongue, which are necessary for speech production in humans.

The Major Reason Why Chimps Cannot Speak Is That They