Variation A Central Concept in Biology 1st Edition by Benedikt Hallgrímsson, Brian Hall 9780120887774 0120887770

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ISBN 10: 0120887770
ISBN 13: 9780120887774
Author:  Benedikt Hallgrímsson, Brian K. Hall

Darwin’s theory of evolution by natural selection was based on the observation that there is variation between individuals within the same species. This fundamental observation is a central concept in evolutionary biology. However, variation is only rarely treated directly. It has remained peripheral to the study of mechanisms of evolutionary change. The explosion of knowledge in genetics, developmental biology, and the ongoing synthesis of evolutionary and developmental biology has made it possible for us to study the factors that limit, enhance, or structure variation at the level of an animals’ physical appearance and behavior. Knowledge of the significance of variability is crucial to this emerging synthesis. This volume situates the role of variability within this broad framework, bringing variation back to the center of the evolutionary stage.

·Provides an overview of current thinking on variation in evolutionary biology, functional morphology, and evolutionary developmental biology
·Written by a team of leading scholars specializing on the study of variation
·Reviews of statistical analysis of variation by leading authorities
·Key chapters focus on the role of the study of phenotypic variation for evolutionary, developmental, and post-genomic biology

Variation A Central Concept in Biology 1st Table of contents:

I. VARIATION BEFORE DARWIN
II. DARWIN AND VARIATION
III. ALTERNATIVE THEORIES OF VARIATION AND EVOLUTION
IV. NEO-DARWINISM
V. THE EVOLUTIONARY SYNTHESIS
VI. CONCLUSIONS
REFERENCES

The Statistics of Variation

Landmark Morphometrics and the Analysis of Variation

Variation in Ontogeny

Constraints on Variation from Genotype through Phenotype to Fitness

Developmental Origins of Variation

Canalization, Cryptic Variation, and Developmental Buffering: A Critical Examination and Analytical

Mutation and Phenotypic Variation: Where is the Connection? Capacitators, Stressors, Phenotypic Variability

Within Individual Variation: Developmental Noise versus Developmental Stability

Developmental Constraints, Modules, and Evolvability

Developmental Regulation of Variability

Role of Stress in Evolution: From Individual Adaptability to Evolutionary Adaptation

Environmentally Contingent Variation: Phenotypic Plasticity and Norms of Reaction

Variation and Life-History Evolution

Antisymmetry

Variation in Structure and Its Relationship to Function: Correlation, Explanation, and Extrapolation

A Universal Generative Tendency toward Increased Organismal Complexity

Variation and Versatility in Macroevolution

Variation and Developmental Biology: Prospects for the Future

Phenogenetics: Genotypes, Phenotypes, and Variation

The Study of Phenotypic Variability: An Emerging Research Agenda for Understanding the Developmental Basis of Variation

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