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题目

人类学 Quiz 4

多项选择题

Select all hypotheses for the origins of bipedalism.

选项

A.Decreased superior surface area on body for sun to hit

B.Females provide food while males care for offspring

C.Hands would be free to carry weapons

D.Hands would be free to gather food

查看解析

标准答案

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思路分析

To approach this question, I’ll evaluate each proposed hypothesis in turn and connect it to the broader ideas about why bipedalism may have originated. Option 1: 'Decreased superior surface area on body for sun to hit' — This phrasing is unconventional for mainstream bipedalism hypotheses. Classic ideas about posture and thermoregulation emphasize reduced frontal exposure, not a reduction in the overall superior surface area in a way that would influence sunlight hitting the body. In addition, the term 'superior surface area' is ambiguous and not commonly used in paleontological literature as a driver of when or why walking on two legs would evol......Login to view full explanation