Around 54 million years ago the earths climate warmed significantly, resulting inn

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     the extinction of marsupials
      an increase in the number of archaic mammal species
      the replacement of many archaic mammals with modern types
      an expansion of mammalian territories around the world
asked Jun 29, 2012 in Anthropology by anonymous
    

1 Answer

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the replacement of many archaic mammals with modern types
answered Jun 30, 2012 by Bioshare ~Top Expert~ (34,070 points)



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