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Geologic Time

Mass Extinction at the end of the Permian period Paleozoic
Vertebrates evolve Paleozoic
Age of Mammals Cenozoic
Age of Reptiles Mesozoic
First grasses apear Cenozoic
First reptiles appear Paleozoic
Pangea forms Paleozoic
Mass extinction at the end of the Cretaceous Period Mesozoic
First snakes appear Mesozoic
First birds appear Mesozoic
what was the cambrian explosion? A time of a lot of new organisms
An animal that feeds its young with milk mammal
amphibian animal that evolved from lung fish
animal with strong legs and eggs with thick shells reptile
vertebrate animal with a backbone
Created by: cherrygirl1243