Although Many Chimpanzees Live in Environments with Oil Palm Nuts

question 35

Multiple Choice

Although many chimpanzees live in environments with 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