Jane Goodall observed that chimpanzees in the wild communicate through __________.
A. a gestural sign language
B. vocalizations tied directly to emotional states
C. random vocalizations and body language
D. singing
Question 2
The gorilla named Koko was able to __________.
A. speak and communicate by using over 100 English words
B. learn to program a computer using the computer language called FORTRAN
C. communicate using about 1,000 signs from American Sign Language (ASL) D. write her own name and verbally communicate her needs to humans
