Bipedalism and the Austrolopithesines

Bipedalism existed for a few million years before austrolapithesines olved. Evidence points towards a more carnivorous diet at the same time as homo habelis, and also at the beginning of the quatonary glaciation. The stronger astralopithesene survived and evolved into the homohabilis animal. Those astralopithecines that did not become more carnivorous may have had to rely on the more fibrous produce of smaller shrubs and plants in the changing environment. With their powerful jaws, the tin abled them to chew this more difficult to digest vegetation. Ultimately, we believe that these parenthropines simply died out