Bipedalism in ancestral hominids is believed to have started A. 3.4 million years ago, with A. afarensis aka "Lucy" B. 4.4 Million years ago with A. ramidus aka "Ardi" C. 6-7 million years ago with S.

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asked Jan 15, 2020 26.4k views

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Bipedalism in ancestral hominids is believed to have started

A. 3.4 million years ago, with A. afarensis aka "Lucy"
B. 4.4 Million years ago with A. ramidus aka "Ardi"
C. 6-7 million years ago with S. tchadensis aka as "Toumai"
D. 8 million years ago with the divergence of P. troglodytes aka "Oliver"