Dictionary of Human Evolution and Biology

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Australopithecus Garhi Dietary Hypothesis

Hypothesis put forth by T. White that A. garhi, a bipedal, small-brained, large-toothed hominid, began eating animals c. 2.5 mya; that the higherquality diet resulting from animal consumption led to an increase in brain size and a decrease in molar size; and that these two changes cascaded into other modifications of the skull. This hypothesis suggests that A. garhi is the ancestor of Homo.

See vegetarian dietary hypothesis.

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