Although many chimpanzees live in environments containing oil palm nuts, members of only a few populations use stones to crack open the nuts. The likely explanation is that ________.
A) the behavioral difference is caused by genetic differences between populations
B) members of different populations have different nutritional requirements
C) the cultural tradition of using stones to crack nuts has arisen in only some populations
D) members of different populations differ in learning ability

Question

Quizplus · Accepted Answer

The use of stones to crack open oil palm nuts is a learned cultural behavior, not a genetic or nutritional difference, and it appears to have arisen only in certain populations.

Although Many Chimpanzees Live in Environments Containing Oil Palm Nuts