Out of thin air : dinosaurs, birds, and Earth's ancient atmosphere /

Out of thin air : dinosaurs, birds, and Earth's ancient atmosphere / Peter D. Ward ; illustrations by David W. Ehlert.

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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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Bibliographic Details
Online Access: Full Text (via ProQuest)
Main Author: Ward, Peter D. (Peter Douglas), 1949-
Format: Electronic eBook
Language:English
Published: Washington, D.C. : J. Henry Press, ©2006.
Subjects:
From 280 to 345 million years ago
Dinosaurs > Extinction.
Dinosaurs > Evolution.
Paleoecology.
Paleobotany > Carboniferous.
Carboniferous Geologic Period
Dinosaurs > Evolution
Dinosaurs > Extinction
Paleobotany
Paleoecology

Internet

Full Text (via ProQuest)

Online

Holdings details from Online
Call Number: QE861.6.E95 W37 2006eb
QE861.6.E95 W37 2006eb Available

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