The ability to travel bipedally is the most advantageous characteristic that a primate can have. Hominins evolved to travel on two feet over time as they moved away from scavenging for resources in trees, to hunting prey on the ground. This ability to travel bipeadlilly was an adaptation that allowed these primates to compete in a food chain that they once could not compete in. It is believed that those primates with a mutation to travel on two feet were able to outcompete those who were not, and thus thrived and reproduced by the masses. The San persistence theory shows how traveling on two feet is more effective that traveling on all fours. San hunters would chase their prey to exhaustion. The chase would last for hours until the four legged
