RexHasgill671 RexHasgill671

05-01-2015
Biology

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Birds first appeared and rose to prominence during the: Answer Precambrian Paleozoic Era Mesozoic Era Cenozoic Era

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05-01-2015

Birds developed in the Mesozoic era, but diversified greatly in the Cenozoic. The answer is c), Mesozoic era.

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