Although Many Chimpanzees Live in Environments Containing Oil Palm Nuts

question 77

Multiple Choice

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 behavioural 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.
• E)members of different populations differ in manual dexterity.

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