Australopithecus afarensis jaw comparison. Chimpanzee skull (top), A. afarensis jaws (centre) and human jaws. This comparison shows that the prominent jaws of A. afarensis more closely resembled the chimpanzee than modern humans. A. afarensis lived between 3.9 and 2.9 million years ago and is thought to be an ancestor of modern humans.

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TOP10402961

Source:

達志影像

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RM

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須由TPG 完整授權

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