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The solar system was born.
• 5 million years ago, the birth of this solar system occurred, including the creation of the nine planets that still exist among the Milky Way today. -
This was the very beginning of the Earth.
• 4600 million years ago, the earth began to form from what most people believe to be caused from the big bang theory. -
This appeared to be some of the first life on earth.
• 3700 years ago, the earth began to show various amounts of evidence of life. -
• 3700 million years ago, photosynthesizing bacteria began to form
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• 3500 million years ago, studies show that the oldest fossil formed from that era.
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2200 million years ago, oxygen began to appear in the environment, causing damage to all the living tissue
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• 18 million years ago, the oldest eukaryotic fossils have been shown from this time period
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• 800 million years ago, the major glaction period began, which in a sort was kinda like the ice age.
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• 600 million years ago, the protective ozone layer in space began to form
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• 480 million years ago, plants and land were able to begin forming
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• Around 400 million years ago, oxygen levels began to near present day levels, allowing much more life to form.
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• 350 million years ago were the first signs of reptiles roaming the earth
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• 250 million years ago was the period of the late Triassic when dinosaurs were the most prevalent creature roaming the earth
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• 220 million years ago, the Permian period began, which was avery important peiod in history due to the creatures that evolved during that time.
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• 200 million years ago, pangea began to break apart, Seperating parts of the contenent into differnt hemesphers
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65 million years ago, the end of the cretaceous period came
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60 million years ago, the first sign of primates were shown, which was, at the time, the most intellegent mammles on the earth
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5.2 million years ago, whales were developed, being one of teh ocean's most large creatures.
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100,00 years ago, humans began to roam the earth, and just as humans supposedly evolved from monkeys - a less intellegent mammle, we are still getting more intellegent as time goes by.
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Large animals became extinct, and smaller ones became more prevelant
