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Acquiring Genomes : A Theory Of The Origin Of Species - Dorion Sagan

Acquiring Genomes

A Theory Of The Origin Of Species

Paperback Published: 11th June 2003
ISBN: 9780465043927
Number Of Pages: 256

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How do new species evolve? Although Darwin identified inherited variation as the creative force in evolution, he never formally speculated where it comes from. His successors thought that new species arise from the gradual accumulation of random mutations of DNA. But despite its acceptance in every major textbook, there is no documented instance of it. Lynn Margulis and Dorion Sagan take a radically new approach to this question. They show that speciation events are not, in fact, rare or hard to observe. Genomes are acquired by infection, by feeding, and by other ecological associations, and then inherited. "Acquiring Genomes" is the first work to integrate and analyze the overwhelming mass of evidence for the role of bacterial and other symbioses in the creation of plant and animal diversity. It provides the most powerful explanation of speciation yet given.

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"One of the most stimulating and provocative books that I have read for a long while."

Forewordp. xi
Prefacep. xv
The Evolutionary Imperative
Darwinism Not Neodarwinismp. 3
Darwin's Dilemmap. 25
Relative Individualityp. 51
The Natural Selectorp. 67
Principles of Evolutionary Noveltyp. 71
The Microbe in Evolution
Species and Cellsp. 81
History of the Heritablep. 89
Planetary Legacy
Gaian Planetp. 123
Eukaryosis in an Anoxic Worldp. 139
Seaworthy Alliancesp. 165
Plant Proclivitiesp. 185
Chromosome Dance: The Fission Theoryp. 191
Darwin Revisited: Species in the Evolutionary Dialoguep. 201
Glossaryp. 207
Referencesp. 219
Acknowledgmentsp. 225
Indexp. 229
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9780465043927
ISBN-10: 0465043925
Audience: General
Format: Paperback
Language: English
Number Of Pages: 256
Published: 11th June 2003
Country of Publication: US
Dimensions (cm): 20.4 x 12.7  x 1.6
Weight (kg): 0.27
Edition Number: 1

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