Ancient Ancestors: Running Slow but Paving the Way
Our ancient ancestor, Australopithecus afarensis—famously represented by “Lucy”—could walk upright and even run on two legs, but not with the speed or endurance of modern humans.
bipedalism
Our ancient ancestor, Australopithecus afarensis—famously represented by “Lucy”—could walk upright and even run on two legs, but not with the speed or endurance of modern humans.