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This was the first recorded geological period of the Paleozoic era and lasted about 53 million years. During this period of time, Trilobites were the dominant species and a dramatic burst of evolution within the earth has changed and was known as the "Cambrian explosion".
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The evolution was still occurring and the earth was mostly covered in water and Trilobites were still the dominant species.
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The environment has drastically changed and new marine life such as coral reefs are making their first appearance.
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Marine life is now evolving and fishes such as the Tiktaalik have began "walking" on the bottom of shallow waters.
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Vast swamps have now appeared and swamps eventually produced carbon.
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Largest mass of extinction ever recorded has occurred and the start of the supercontinent Pangea has begun. Due to the continents emerging the climate has severely changed.
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This was the beginning of the Mesozoic era and during this era, it was filled with violent volcanic eruptions, climate change, and the asteroids hitting the earth, wiping out 90% of the earth's species.
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The supercontinent Pangea split apart.
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Modern mammals started appearing, Flowering plants began forming, and a mass extinction among the dinosaurs.
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The beginning of the Cenozoic era, During this period earth's climates were generally warm and mild. In the vast oceans, marine mammals such as whales and dolphins begin to evolve.
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This was the beginning of an Ice age and it was often known as the "Age of humans". The continents have moved around a bit and is the same as it is today.
