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The top documents tagged [mya age]
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mya age
CHAPTER 4 Geologic Time. Review: What do fossils show about past environments? past life?
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First true land dwellersFirst true land dwellers Lay eggs on land- internal fertilizationLay eggs on land- internal fertilization –Amniotic egg covered.
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Chapter 41 Reptiles
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Chapter 41 Reptiles
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Phanerozoic eon “Visible Life” Paleozoic Era: old life Mesozoic Era: middle life Cenozoic Era: recent life.
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