Although Many Chimpanzees Live in Environments Containing Oil Palm Nuts

question 26

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

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Definitions:

Low-commitment Relationship

A relationship where the partners have minimal or no expectations of longevity or continuity, emphasizing casual interaction.

Dissimilar Other

A person or entity that is significantly different from oneself in terms of beliefs, values, or characteristics.

Mere Exposure Effect

The psychological phenomenon by which people tend to develop a preference for things merely because they are familiar with them.

Loneliness Effect

The negative physical and psychological outcomes that can result from feelings of loneliness or social isolation.