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5 Cards in this Set
- Front
- Back
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Index fossils are used in the type of dating called
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relative dating
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Oxygen was added to Earth's atmosphere by the process of
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Photosynthesis
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Sexual reproduction evolved before the evolution of
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multicellular organisms
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The age of mammals occurred during the
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Cenozoic Era
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Dinosaurs were dominant during the
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Mesozoic Era
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