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Early Life on Earth : Early Life on Earth Nobel Symposium No. 84 - Stefan Bengtson

Early Life on Earth

Early Life on Earth Nobel Symposium No. 84

By: Stefan Bengtson (Editor)

Hardcover

Published: 1st January 1994
For Ages: 22+ years old
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This study is organized around three themes: the origin and early diversification of life during the Archean Eon; the maturation of life and the Earth during the long Proterozoic Eon; and the explosive diversification of multicellular life that marks the dawn of the Phanerozoic Eon. The contributors discuss the coherence of history, the combinatorial generation of taxonomic diversity, early Metazoan evolution, and the Cambrian explosion.

Preface: Approaches to understanding early life on Earth
Introduction: The coherence of historyp. 1
The planetary setting of prebiotic evolutionp. 10
Early environments: Constraints and opportunities for early evolutionp. 24
Earth's early atmosphere: Constraints and opportunities for early evolutionp. 36
Early chemical stages in the origin of lifep. 48
The transition from non-living to livingp. 60
The RNA world, its predecessors and descendantsp. 70
Molecular origin and evolution of early biological energy conversionp. 81
Sources and geochemical evolution of RNA precursor molecules: The role of phosphatep. 91
Self-assembly and function of primitive membrane structuresp. 107
Vitalysts and virulysts: A theory of self-expanding reproductionp. 124
Protocell life cyclesp. 133
Early evolution of genes and genomesp. 135
The lesson of Archaebacteriap. 143
The early diversification of lifep. 152
The emergence, diversification, and role of photosynthetic eubacteriap. 161
The origin of eukaryotes and evolution into major kingdomsp. 181
The oldest known records of life: Early Archean stromatolites, microfossils, and organic matterp. 193
The Archean-Proterozoic transition and its environmental implicationsp. 208
Global methanotrophy at the Archean-Proterozoic transitionp. 220
Early Proterozoic atmospheric changep. 237
Trends in Precambrian carbonate sediments and their implication for understanding evolutionp. 245
Biomarkers in the Proterozoic recordp. 259
Stromatolites: The main source of information on the evolution of the early benthosp. 270
Proterozoic eukaryotes: Evidence from biology and geologyp. 287
Early ecosystems: Limitations imposed by the fossil recordp. 298
The role of phenotypic comparisons of living protists in the determination of probable eukaryotic phylogenyp. 312
Combinatorial generation of taxonomic diversity: Implication of symbiogenesis for the Proterozoic fossil recordp. 327
The continuing importance of cyanobacteriap. 334
Proterozoic carbonaceous compressions ("metaphytes" and "worms")p. 342
Early multicellular fossilsp. 358
Vendian body fossils and trace fossilsp. 370
Early multicellular life: Late Proterozoic fossils and the Cambrian explosionp. 389
The Cambrian explosionp. 401
The advent of animal skeletonsp. 412
Evolution of algal and cyanobacterial calcificationp. 426
Neoproterozoic evolution and environmental changep. 439
Early metazoan evolution: First steps to an integration of molecular and morphological datap. 450
Ideas on early animal evolutionp. 460
Molecular phylogeny and the origin of Metazoap. 467
Evolution of the "lower" Metazoap. 475
Developmental mechanisms in the evolution of animal form: Origins and evolvability of body plansp. 489
From protein domains to extinct phyla: Reverse-engineering approaches to the evolution of biological complexitiesp. 501
Referencesp. 517
Indexp. 599
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780231080880
ISBN-10: 0231080883
Series: Nobel Symposium Proceedings
Audience: Professional
For Ages: 22+ years old
Format: Hardcover
Language: English
Number Of Pages: 656
Published: 1st January 1994
Publisher: Columbia University Press
Country of Publication: US
Dimensions (cm): 26.67 x 19.05  x 3.81
Weight (kg): 1.61