Out of Thin Air
Dinosaurs, Birds, And Earth's Ancient Atmosphere
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OO
Image source: Open LibraryPeter Douglas WardFirst published 20061 editions
Discusses the effect of changing oxygen levels in Earth's atmosphere on evolution and mass extinctions, and presents the theory that saurischian dinosaurs were able to weather two mass extinctions because of a new, more efficient respiratory system, which was in turn inherited by their descendants the birds.
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First publish date October 30, 20061 credited authorSearch language english
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- Open Author
Peter Douglas Ward
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