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3 Cards in this Set
- Front
- Back
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Paleozoic era |
*Cambrian explosion* -most invertrebraes 1st vertebraes 1st land plants 1st trees 1st amphibians, reptiles, then therapids(mammal ancestors) conifers, swamps, forests |
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Mesozoic era |
Triassic - first dinos Jurassic- age of dinos egg laying mammals 1st birds (dino birds) 1st FLOWERS& pollinating insects K-T MASS EXTINCTION. 2/3 of life |
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Cenozoic |
in order... -1st primates -Grass -Hominids(human ancestors) *Great Ice Age Homo sapien(120k) Homo sapien sapien (40k) Agriculture rev. (12k) Modern civ. (5k) |
