Natural History of Bipedalism

Obligatory bipeds (type I)

  • H. erectus (2 million years ago)

  • H. neandertalensis (150,000 years ago)

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Slide 83 of 109

Obligate bipeds include H. erectus (2 million years ago) and H. neandertalensis (150,000 years ago).


Obligatory biped
A creature that must walk on two legs. Such a creature is unable to walk as a quadraped efficiently.
Last Modified June 21, 2006


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