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Unformatted text preview: 375 mya Tetrapods appear 350 mya Amniotes appear 225 mya Triassic Period Reptiles appear 150 mya Late Jurassic Period Birds appear Mammals appear 125-150 mya Late Jurassic Period First snakes appear...
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This note was uploaded on 07/15/2008 for the course BIO 1al taught by Professor Pederson during the Fall '08 term at University of California, Berkeley.
- Fall '08