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Universe exploded into existence from nothing
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earth began to form
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most bacteria reproduce by making carbon co press of themselves
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Protective ozone layer in place
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Land Plants
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Oxygen nears present day levels
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early microbes thrive an oxygen free enviroment feeding an organic molecule
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As fine sediment is trapped between these layers the mats bind together and harden
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Oxygen appers in the environment, causing damage to living tissue
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Oxygen how composes three percent of the atmosphere
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Major glaciation period begins
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carbon sinks "coal forest"
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about 90% percent of all species go extinct
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pangada starts to break apart
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60 to 80 percent go extinct
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Primates begin to roam the earth.
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homiaids begin to appear
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modern humans
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animals over 45 percent go extinct.
