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When most of the worlds first major life came, this is the time when mostly Trilobites lived.
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Mostly tropics & entirely ocean. The only land was a giant continent. Best known for diverse marine life like; sea urchins, mollusks, & jawless fish that eventually turn into fishes with jaws & armored.
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This is when plants started growing on the lands & coral reefs started to grow because the water level rised because of the glacial formations melting. Then animals like centipedes & spiders lived on land.
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The armored fish go extinct , then a wild variety of fish come & animals like amphibians come. & more plants start to grow.
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Large swamps & coal forming forrests were abundant. This time period is more of when sharks & earliest reptiles formed.
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Largest extinction of marine life. :(
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When dinosaurs start to form
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When birds & mammals start to form & dinosaurs are still alive.
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Flowering plants start to form, Dinosaurs exticnct. A lot of bony fish.
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Modern mammals start to form.
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Humans & large carnivores are alive.
