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David W. Ehlert - Community Reviews back

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Elentarri's Book Blog
Elentarri's Book Blog rated it 9 years ago
Out of Thin Air: Dinosaurs, Birds, and Earth's Ancient Atmosphere by Peter D. Ward hypothesizes that changing atmospheric and oceanic oxygen levels over the last 600 million years have caused significant evolutionary development, including changes in body plan (morphology), physiology and diversity ...
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