12POINTS

Koko is a female lowland gorilla that was born in 1971. Gorillas are known to be very intelligent animals. Researchers have been able to use this inherent intelligence to teach Koko sign language. Koko can use sign language to communicate and is able to understand spoken English.

Which of the following describes how Koko's behavior is influenced by both her heredity and her environment?
A.
Koko inherited her knowledge of the human language, but she learned sign language from her environment.

B.
Koko inherited her high intelligence, but she learned sign language from her environment.

C.
Koko inherited her high intelligence, but she is a lowland gorilla because of her environment.

D.
Koko inherited her knowledge of sign language, but she is highly intelligent because of her environment.