We know now that upright bipedal gait evolved long before H. erectus. But when the first H. read more
Homo erectus was thought, probably incorrectly, to have been the first of the Homo lineage to have a normally fully-erect posture (head above the shoulders, shoulders above the hips, hips, above the ankles making a basically straight line). read more
Homo erectus is the most, or one of the most, long-lived species of Homo, having existed well over one million years and perhaps over two million years; by contrast, Homo sapiens emerged about a quarter million years ago. read more