Tammie453 Tammie453

18-06-2015
History

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Why did the ability to walk upright and the development of the opposable thumb represent important breakthroughs for early hominids?

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HistoryGuy HistoryGuy

19-06-2015

The main reason why the ability to walk upright and the development of the opposable thumb represented important breakthroughs for early hominids is because they could outrun and outsmart predators.

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