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There is very little plant life during this period.
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Huge plants begin to develop, early amphibians form.
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Swamps and forests cover the land.
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Coal deposits form
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Colonies of tiny Invertebrates call graptolites florished and vertibrates appear, Fish did not have jaws or teeth and their bodies were covered with bony plates.
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Vascular land plants and animals, such as scorpions begin to evolve on land.
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Ages of fishes, fish that can breath out of the water and spend time on land form.
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Euryptids, sea stars and coral become more common.
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Huge plants begin to develop, early amphibians form.
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Giant cockroaches apper
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Environmental change causes mass extinction of sea invertibrates
as the seas retreat -
Welcome to the world of Dinosaur! Enter the squirrel sized dinosaur and the first forest dwelling mammals appear.
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Whoa those dinos are getting big and dominate the land
Carnivores and herbivores have arrived -
Flying reptiles called pterosaurs are in the air now
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First flowering plants appear
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Impact hypothesis
Dinosaur mass extinction -
First primates evolve
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Flying squirrels, whales, and bats appear
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First modern horses appear
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Small rodents evolve
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Early reptiles resembling large lizards appear
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Many early mammal become extinct,clams and snails flourish
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Homosapien appeared and are hunters
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Modern human developed agriculture and used tools made of bronze and iron.
