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.

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
Main Author: Ward, Peter D. (Peter Douglas), 1949-
Format: 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.
NATURE > Animals > Dinosaurs & Prehistoric Creatures.
Carboniferous Geologic Period
Dinosaurs > Evolution
Dinosaurs > Extinction
Paleobotany
Paleoecology
Online Access:Click for online access
Description
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.
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
Language:English.
Source of Description, Etc. Note:Print version record.

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