Foraging in trees might have pushed human ancestors to walk on two feet
Despite their open and dry habitat, chimpanzees at Issa Valley remained highly arboreal and did not walk on the ground, findings which suggest that early ancestors might have evolved upright walking in trees. Rhianna C. Drummond-ClarkeIn a surprise twist, the evolution of human bipedalism might have nothing to do with learning to walk on land…
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