The Evolution Of Bipedalism

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There are many other arguments for bipedalism. Some Paleoanthropologists have argued that bipedalism, monogamy and the lack of visible estrus were interrelated. Bipedalism favoured males who gathered food for females which contributed towards monogamous behaviour and certainty of the paternity of offspring. Peter Wheeler noted that a bipedal hominin exposes only 7% of its surface to sunlight, whereas quadrupeds expose 20% of their surface. He argued that bipedalism evolved to prevent overheating. Kevin Hunt suggests bipedalism might have evolved as a feeding adaptation as pre-hominins were confined to drier and more open habitats than forests where chimpanzees lived.

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