Modular Evolution: How Natural Selection Produces Biological Complexity

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Format: Paperback
Pub. Date: 2010-08-23
Publisher(s): Cambridge University Press
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Summary

Natural selection is more than the survival of the fittest: it is a force engendering higher biological complexity. Presenting a new explanation for the tendency of life to become more complex through evolution, this book offers an introduction to the key debates in evolutionary theory, including the role of genes and sex in evolution, the adaptive reasons for senescence and death and the origin of neural information. The author argues that biological complexity increased through the process of 'modularity transfer': modular phenotypes (proteins, somatic cells, learned behaviours) evolved into new modular information carriers (regulatory proteins, neural cells, words), giving rise to new information systems and higher levels of biological organisation. Modular Evolution makes sense of the unique place of humans in evolution, both as the pinnacle of biological complexity and inventors of non-biological evolution.

Author Biography

Lucio Vinicius is a Postdoctoral Fellow at the Leverhulme Centre for Human Evolutionary Studies in Cambridge, UK. He has published articles in various fields including life history evolution, Drosophila genetics, brain evolution and human growth.

Table of Contents

Prefacep. xi
From natural selection to the history of naturep. 1
Nature after natural lawp. 2
Reductionism and emergencep. 4
History and inheritancep. 7
Darwinian progress: order at the macroevolutionary scalep. 10
Macroevolution as historyp. 12
Contingency as the startling consensusp. 15
Convergencep. 18
The denial of 'progress': Darwinism's prejudice against Darwinp. 20
Biological complexity and informationp. 22
Organisms as DNA programsp. 25
Major transitions: the aggregational mode of evolutionp. 27
Convergent aggregation, levels of selection and levels of organisationp. 30
The evolution of biological orderp. 32
The evolution of order: macroevolutionary consequencesp. 35
From the units of inheritance to the origin of speciesp. 38
The gene as the module of inheritancep. 40
The fundamental principle of natural selectionp. 43
Gradualism: the cost of biological complexityp. 46
The adaptive walk in the real worldp. 51
Epistasis as a main legacy of particulate inheritancep. 55
The shifting balance and the structure of real populationsp. 58
Sex and the origins of speciesp. 60
Speciation as adaptation: the evolution of xenophobiap. 62
Speciation as an accidentp. 65
Speciation and particulate inheritancep. 67
Levels of selectionp. 69
Multicellularity and the developmental codep. 72
Replication and reproductionp. 75
Gene expressionp. 77
Multicellularity and the developmental codep. 79
From gene expression to morphological patternp. 82
Regulatory regions and gene bureaucracyp. 84
Is evolution mostly the evolution of regulatory regions?p. 86
Modularity and microevolutionp. 90
The gradual evolution of homeotic mutationsp. 93
The origin of animal phylap. 97
The challenge of multicellularityp. 99
Life cycle evolution: life and death of the somap. 102
Weismann's two insightsp. 104
Fisher's second fundamental principlep. 106
Medawar and accidental deathp. 109
Williams and the logic of trade-offsp. 111
Hamiltion: senescence beyond mortality and the return of the killer genesp. 114
Growth and fitnessp. 117
The reproduction of soma: energy, time and trade-offsp. 119
The end of reproduction: menopause and senescencep. 122
Free radicals and molecular signallingp. 124
Conclusion: multicellularity and the life cyclep. 126
Sex and its consequences: the transition that never happenedp. 128
The misleading cost of sexp. 132
Advantage of genetic exchangep. 134
The origin of separate sexesp. 137
Too many malesp. 140
Sexual selectionp. 143
Why sexual dimorphism?p. 144
Male ornaments as accidentsp. 147
Ornaments: animal signals of fitnessp. 149
The phylogeny of sex and asexp. 150
Sex and biological complexityp. 152
Animal societies: the case of incomplete evolutionary transitionsp. 154
The problem of co-operationp. 158
Relatedness as the origin of true altruismp. 160
Limitations of kin selection theoryp. 165
Selfish co-operation: an eye for an eye, a helping hand for a helping handp. 168
The conditions for selfish co-operationp. 171
The birth of the selfless apep. 173
Scratching the strong reciprocatorp. 179
Conclusion: animal societies and biological complexityp. 183
The new 'Chain of Being': hierarchical evolution and biological complexityp. 186
Thermodynamics versus biological informationp. 187
Schrödinger's Principle and the evolution of orderp. 188
The historical transformation of selectionp. 197
The hierarchical nature of macroevolutionp. 201
Historical humans: the technological code and the end of evolutionp. 203
Hierarchical evolution and the roots of Darwinismp. 205
Referencesp. 208
Indexp. 233
Table of Contents provided by Ingram. All Rights Reserved.

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