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The first multicellular atoms flourished on the earth
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early marine life
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there was more marine life
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earlyiest plants and animals
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earlyiest amphibians
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earliest reptiles and scale trees and seed ferns
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extinction of types of marine animals
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early dinos abumdant cycadsads and conifers
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early birds and mammals
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early flowering plants
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early palceental mammals
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large carnivours
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