What was the Cambrian Explosion?

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    the origin and adaptive radiation of numerous phyla of animals
    the large increase in the diversity of prokaryotes about 600 million years ago
    the massive increase in volcanic activity on the Earth at the end of the Precambrian era
    a large meteor that struck the Earth, resulting in mass extinctions
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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the origin and adaptive radiation of numerous phyla of animals
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)



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