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What were the major differences between late australopithecines and early Homo?

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Final answer:

The major differences between late australopithecines and early Homo are in their skull morphology.

Step-by-step explanation:

A major difference between late australopithecines and early Homo is their skull morphology. Late australopithecines, such as Australopithecus afarensis, had smaller skulls with a sloped forehead, larger teeth, and a prominent jaw, resembling that of modern humans but with distinct differences. On the other hand, early Homo species, like Homo erectus, had bigger jaws and teeth, a sloping forehead, and a relatively small brain. They also had a sagittal keel, indicating a small raised ridge on top of the skull, and their feet had human-like arches and ankles.

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