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At the beginning of paleozoic, was the first time that multi-cellular life forms flourished on earth. By the end of the paleozoic, and beginning of the earth came togather to form the giant continent called pangea and dinosaurs began to roam on land.
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echinoderms invertebrates are the most domiant during that time, mollusks become abundant, and the earliest fish fish are jawless and later become armored and jawed.
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At this time, the earliest plants and anamials were just getting started.
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armored fish go extinct, and the raise of the earliest amphibians start.
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large swamps and the earliest reptiles arised, also scaled trees and seed ferns appeared at this time.
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meny different types of marine anamials started to develop.
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the earliest birds and mammals were abundent but ammonites were on there climax. Also the earliest dinosaurs appeared.
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the earliest birds, mammals werer abundent, and dinosaurs were dominant.
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the earliest flower plants appeared and the climax of dinosaurs.
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earliest placental mammals and large running mammals.
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large carnivores, humans, and mastodonians rule the world.
