Early attempts to teach chimpanzees to talk were complete failures,primarily because
A)the researchers didn't use scientific conditioning methods.
B)chimpanzees lack the physical ability to produce spoken speech.
C)nothing-even the earliest attempts achieved real successes.
D)the chimpanzees used were not of the proper species.

Question

Quizplus · Accepted Answer

Chimpanzees lack the necessary physical ability to produce spoken speech, as their vocal cords and mouth structures are not designed for speaking in the same way as humans. This made early attempts to teach them to talk complete failures.

Early Attempts to Teach Chimpanzees to Talk Were Complete Failures,primarily