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sea creatures develop
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giant dinosaurs,early birds,first mammals
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end of last age,rise of human civilization
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earth formation (uninhabitable)
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first amphibians,wingless insects,freshwater fish
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amphibians spread,sharks,bony fish,andwingless insects
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modern insects,reptiles spread,evergreens,extinction of trilobites
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mass extinctions (dinosaurs too), flowering plants appear
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earth becomes habitable, rise of bacteria and cyanobacteria
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first dinosaurs
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Peak of mammals,first modern mammals,modern invertebrates,rize of grazing animals,primitive apes,whales,first horses
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vertebrates increase
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land colonized by arthropods and plants
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explosión of life,rise of marine invertebrates,some of them vertebrates,tribolites dominant