An edition of Out of Thin Air (2006)
Out of Thin Air
Dinosaurs, Birds, And Earth's Ancient Atmosphere
By Peter Douglas Ward
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Publish Date
October 30, 2006
Publisher
Joseph Henry Press,J. Henry Press
Language
eng
Pages
282
Description:
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.