Australopithecus and early Homo (IMAGE)
Caption
On the right is a depiction of an early Homo human ancestor characterized by relatively greater bone strength of the femur in the thigh compared to the humerus in the arm. To the left is a depiction of an older human ancestor, Australopithecus, characterized by more equivalent strength in the bones of the arm and thigh.
Credit
Image: Cullen Townsend
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License
Original content