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Simple, the world formed and it cooled. There was hot volcanoes and lava. They formed the atmosphere and cooled the earth. Land and oceans began to form. There were two kinds of cells. they reproduce and time passes they began to form living organisms like plankton. some reproduced and kormed into plants while others formes into invertebrates. Some animals later formed to fish then animals with plates in their back or without and thn they formed something similar to a salamander. They reproduced and formed scales. Time passes and they grew bigger. They were huge lizards. That is when the dinosaurs developed and so did the birds.

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13y ago

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