Bipedalism in hominids is efficient because

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    quadrupeds must use all four limbs to move, which is always less efficient than two legs
     bipedalism reduces the amount of food needed daily compared to quadrupeds
     the bodys center of gravity is directly over the legs, reducing the energy needed to balancee
     hominids have long legs
asked Jun 29, 2012 in Anthropology by anonymous
    

1 Answer

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the bodys center of gravity is directly over the legs, reducing the energy needed to balancee
answered Jun 30, 2012 by Bioshare ~Top Expert~ (34,070 points)



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