Listed below in random order are a few
major topics for this .
- Geological eons:
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- Cretaceous (KT) extinction:
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- Cambrian Explosion:
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- Continental drift:
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- Endosymbiosis:
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- Mass extinctions:
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- Adaptive radiation:
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- Origin of oxygen:
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- Sedimentary strata:
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- Tetrapods and synapsids:
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