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univers exploted fromed sun moon stars and planets
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Iron sinks deep froms core elements rises to surface then hardens
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setement rock layers are minarols single of bilogical past
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microbs thrive for oxygen process called formantaion
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Stromotites apper of shore mounds battric thrive by water sediment traped between layers
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oxygen appers in the enviorment causing damage to living tissues
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Alge froms eukerotic froms
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globe ice age set in microbs invalve
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exsposher to radeation reduced oxygen layers are high to from ozon layers
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alge rash ashore first to adapt on land
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oxygen persent layers 21 percent of atmephere
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reptial and anfibeans share almost same skelital
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end of permain
-
. Mammels
. rocodiels
. Dinosaurs -
Pangea starts to brake apart
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end cretaceous
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Primates
-
Whales
-
Mordern humans late pleistocene
