Mammalia & Reproduction. By: Rachel, Nico, Brandon, Lauren. Mammalia. Evolved from reptiles during the Mesozoic era This is around the time when dinosaurs evolved from different reptiles Underwent adaptive radiation to fill major land niches during the Cenozoic era.
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By: Rachel, Nico, Brandon, Lauren
and New Guinea
must finish development in the
Shell: prevents water loss
Albumen: extra food
Chorion: allows for gas exchange
Yolk: provides food for the embryo
Amnion: cushions embryo in fluid
Allantois: collects waste and helps in gas exchange