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-all water
-earlyest marine life
-tribites dominate -
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-marine life took over right before extinction
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earlist animals and plants.
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-fish started to get legs
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more amphibians
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reptils are introdused
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reptiles grew to dinos
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dinos populate and take over
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early plantsclimax of dinosfollowing their extinction
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earliest mammals modern mammals larg running mammals
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large carnivores neanderthals humans mastodons