Efforts to teach great apes to use spoken human language have been
A) successful in chimpanzees,but not in other species.
B) successful in most ape species,but not monkey species.
C) unsuccessful,because apes lack the necessary mirror neurons.
D) unsuccessful,because apes lack the necessary vocal apparatus.

Question

Quizplus · Accepted Answer

Apes lack the necessary vocal apparatus to produce human-like speech, making it impossible for them to speak like humans. While apes such as chimpanzees have been taught sign language, their ability to use spoken human language is limited.

Efforts to Teach Great Apes to Use Spoken Human Language