This could have happened at some point early in human evolution, when in order to survive, people were forced to cooperate in hunting game or gathering fruit.

这可能在人类社会进化早期的某个时候已经发生了，那时候为了生存，人们被迫合作打猎或采摘野果。

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One cognitive scientist, David Geary, argues that as human society grows increasingly complex, individuals don't need to be as intelligent in order to survive and reproduce.

一位认知科学家，大卫基尔，其报告指出，由于人类社会的进步越来越复杂，个人并不需要有那些为了生存和繁殖的智力。

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Whatever the animal kingdoms eat, human form can also eat in order to survive.

凡是动物王国食用的，人类形体也都可食用以生存。

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