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isaacgaljour
isaacgaljour isaacgaljour
  • 07-02-2017
  • History
Answered

What period of the Mesozoic era did mammals first appear?


Devonian

Triassic

Jurassic

Cretaceous

Verified Answer :

cag2001 cag2001
  • 07-02-2017

Mammals first appeared during Triassic.

Answer Link
Debrarockswithanimaj
Debrarockswithanimaj Debrarockswithanimaj
  • 22-10-2019

Answer: just took the test! the answer is indeed triassic

Answer Link

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