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Comets were forming the Earth, Earth forms molten
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As time passes the Earth starts to solidify and cool down slowly
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The earth starts to solidify and slowly cool down
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The Cambrian period was the first geological period of the paleozoic era, it was a cold era but the as time moved on the earth got warmer and glaciers started to melt.
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The second of the six periods. Spans 41.6 million years. this period was ended with the Ordovician-silurian extinction event about 443 mya
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Geologic time period and system spanning 24.6 million years from the end of the ordovician period. It is the shortest period in the paleozoic era. The animals that lived in this era was mainly animals that live in such as coral. this Era there was a widespread radiation of crinoids
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It was the age of fishes as well as alligators come to exist. There were also armored fish that came into existence
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During this period occurred the largest mass extinction on earth due to volcanic eruptions
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First period of the mesozoic era, It followed the mass extinction and life outside of the sea begins to grow and diversify
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The Jurassic Period was the time of Herbivore dinosaurs and plants and palm trees
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One of the last three periods of the mesozoic era, known for the extinction of the dinosaurs, a relatively warm climate with small reptiles with small oceans and seas with dinosaurs dominating the land
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interval of geologic time during the Cenozoic Era, Gradual creation of south and west africa, Evolution of animals such as rhinos and birds and more modern animals
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Most recent geologic time period involved drastic climate changes and when the seas and lands were forming into what we know today. as well as the evolution of humans
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During this period. it is known that many forests and swamps had formed in this era