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27 Cards in this Set
- Front
- Back
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Oldest known Eukaryote fossils
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Precambrian
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Invasion of Land
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Silurian period
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Ice ages
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Pleistocene epoch
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Extinction of dinosaurs
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Cretaceous period
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adaptive radiation of animals
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Cenozoic Era
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Appearance of Jellyfish
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Precambian
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Appearance of humans
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Pleistocene
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Begins and ends with marine invertebrate radiation and extinction
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Paleozoic era
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movement onto lands by platns and animals
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paleozoic era
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vertebrates appear
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Paleozoic era
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Rise and fall of the dinosarus (era)
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Mesozoic
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Origin of mammals, birds, and flowers (era)
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Mesozoic
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pollinating insects diversify (era)
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Cenozoic era
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Gondwanaland forms
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Cambrian
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Pangaea forms
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Permian
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Major breakup of Pangaea
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Cretaceous
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Australia, Antarctica, India, South America, and Africa all "island" continents
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Eocene
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Continents similar to present day
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Miocene
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Connection of North and South America
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Pliocene
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All of the phyla existing today arose
Hard shells and exoskeletons |
Cambrian
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Trilobites are abundant
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Paleozoic
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Trilobites go extinct, pangaea forms, sea levels reduced, volcanic activity
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End of Permian
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Major diversification of land plants
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Devonian
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Pangea exists, climen hot and dry
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Triassic
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Dinosaurs go extinct
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End of Cretaceous
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Many large mammals go extinct
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end of Pleistocene
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origin of mammals
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Triassic
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