The Evolution of Primary Sexual Characters in Animals

Hardcover | July 30, 2010

EditorJanet Leonard, Alex Cordoba-Aguilar

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Primary sexual traits, those structures and processes directly involved in reproduction, are some of the most diverse, specialized, and bizarre in the animal kingdom. Moreover, reproductive traits are often species-specific, suggesting that they evolved very rapidly. This diversity, long theprovince of taxonomists, has recently attracted broader interest from evolutionary biologists, especially those interested in sexual selection and the evolution of reproductive strategies.Primary sexual characters were long assumed to be the product of natural selection, exclusively. A recent alternative suggests that sexual selection explains much of the diversity of "primary" sexual characters. A third approach to the evolution of reproductive interactions after copulation orinsemination has been to consider the process one of sexual conflict. That is, the reproductive processes of a species may reflect, as does the mating system, evolution acting on males and on females, but in different directions.In this volume, authors explore a wide variety of primary sexual characters and selective pressures that have shaped them, from natural selection for offspring survival to species-isolating mechanisms, sperm competition, cryptic female choice and sexual arms races. Exploring diverse reproductiveadaptations from a theoretical and practical perspective, The Evolution of Primary Sexual Characters will provide an unparalleled overview of sexual diversity in many taxa and an introduction to the issues in sexual selection that are changing our view of sexual processes.

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Primary sexual traits, those structures and processes directly involved in reproduction, are some of the most diverse, specialized, and bizarre in the animal kingdom. Moreover, reproductive traits are often species-specific, suggesting that they evolved very rapidly. This diversity, long theprovince of taxonomists, has recently attract...

Janet L. Leonard is a research associate at the Institute of Marine Sciences, University of California - Santa Cruz. Throughout her career her research has focused on animal behavior, particularly in invertebrates, working on topics from neuroethology to evolutionary biology. At present she divides her time between theoretical and pra...

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Format:HardcoverDimensions:400 pages, 10 × 7 × 0.98 inPublished:July 30, 2010Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0195325559

ISBN - 13:9780195325553

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Table of Contents

List of Contributors1. Janet L. Leonard: Introduction: Celebrating and Understanding Reproductive DiversityPart I: General Considerations2. Michael T. Ghiselin: The Distinction between Primary and Secondary Sexual Characters3. Janet L. Leonard: The Evolution of Sexes, Gametes, and Sexual Systems: Natural vs. Sexual Selection4. William G. Eberhard: Rapid Divergent Evolution of Genitalia: Theory and Data Updated5. Patricia Adair Gowaty and Stephen P. Hubbell: Killing Time: A Mechanism of Sexual Conflict and Sexual SelectionPart II: Primary Sexual Characters in Selected Taxa6. Katie E. Lotterhos and Don R. Levitan: Gamete Release and Spawning Behavior in Broadcast Spawning Marine Invertebrates7. Alan N. Hodgson: Prosobranchs with Internal Fertilization8. Angel Valdes, Terrence M. Gosliner, and Michael T. Ghiselin: Opisthobranchs9. Philippe Jarne, Patrice David, Jean-Pierre Pointier, and Joris M. Koene: Basommatophoran Gastropods10. Bruno Baur: Stylommatophoran Gastropods11. Alfredo V. Peretti: An Ancient Indirect Sex Model: Single and Mixed Patterns in the Evolution of Scorpion Genitalia12. William G. Eberhard and Bernhard A. Huber: Spider Genitalia: Precise Maneuvers with a Numb Structure in a Complex Lock13. Rogelio Macias-Ordonez, Glauco Machado, Abel Perez-Gonzalez, and Jeffrey W. Shultz: Genitalic Evolution in Opiliones14. Nina Wedell and David J. Hosken: The Evolution of Male and Female Internal Reproductive Organs in Insects15. Adolfo Cordero Rivera and Alex Cordoba-Aguilar: Selective Forces Propelling Genitalic Evolution in Odonata16. Paul Eady: Postcopulatory Sexual Selection in the Coleoptera: Mechanisms and Consequences17. Michael Taborsky and Francis C. Neat: Fertilization Mode, Sperm Competition, and Cryptic Female Choice Shape: Primary Sexual Characters in Fish18. Lynne D. Houck and Paul A. Verrell: Evolution of Primary Sexual Characters in Amphibians19. Tobias Uller, Devi Stuart-Fox, and Mats Olsson: Evolution of Primary Sexual Characters in Reptiles20. Robert Montgomerie: Sexual Conflict and the Intromittent Organs of Male Birds21. Edward H. Miller: Genitalic Traits of Mammals: Systematics and Variation22. Alex Cordoba-Aguilar: The Evolution of Primary Sexual Characters in Animals: A SummaryIndex