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1. Walking upright may have helped this species survive in the diverse habitats near where it lived—including and
 
2. Early men took a step, he briefly stood on putting stress on his leg bones.
 
3. Australopithecus africanus walkedin a very similar way as modern men.
 
4. Fossil bones records a gradual transition from to walking upright on a regular basis.
 
5.The oldest evidence for walking on two legs comes from one of the earliest humans known,