Out of thin air : dinosaurs, birds, and Earth's ancient atmosphere / Peter D. Ward ; illustrations by David W. Ehlert.
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 descenda...
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Online Access: |
Full Text (via ProQuest) |
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Main Author: | |
Format: | Electronic eBook |
Language: | English |
Published: |
Washington, D.C. :
J. Henry Press,
©2006.
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Subjects: |
Summary: | 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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Physical Description: | 1 online resource (xiii, 282 pages) : illustrations |
Bibliography: | Includes bibliographical references (pages 237-259) and index. |
ISBN: | 0309666120 9780309666121 1280604417 9781280604416 0309141230 9780309141239 9786610604418 661060441X |