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The earth has been through some major changes!
Animals we wish still existed:
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Written by Tyler Irving (@tylereirving), Mitchell Moffit and Greg Brown
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Created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).
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ASAPSCIENCE INC.
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Further Reading--
Overviews:
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Ordovician:
Role of CO2 levels:
Devonian:
Permian
Good overviews:
/
Size of lava fields:
Effect of volcanoes;
Recovery:
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Triassic
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Cretaceous:
6th mass extinction:
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By the numbers:
Extinction rates:
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