Includes bibliographical references (p. [357]-425).
Contents:
Sexual selection and sperm competition. Sexual selection -- Sexual differences and the evolution of anisogamy -- Sperm competition and sexual selection -- Sperm utilization : concepts, patterns, and processes. Classification and definition of terms used in the sperm Ccmpetition literature -- Quantifying paternity -- Patterns of sperm utilization : an overview -- Mechanisms -- Sperm utilization and multiple mating -- Sperm utilization in natural populations -- Mechanisms and the potential for selection -- Avoidance of sperm competition I: morphological adaptations. Internal fertilization --Sperm removal and repositioning -- Alternative explanations for complex genitalia -- Avoidance of sperm competition II: physiological adaptations. Mating plugs -- Seminal products -- Pheromones -- Avoidance of sperm competition III : behavioral adaptations. Theoretical models of mate guarding -- Evidence for mate guarding in insects -- Alternative hypotheses -- Adaptations for efficient guarding -- Male mate choice -- Copula duration. Sperm displacement : optimal copula duration in dung flies -- Copula duration with sperm mixing -- Evidence consistent with an optimization of copula duration -- Female influences -- Aternative explanations -- Sperm in competition I : strategic ejaculation. Sperm competition games -- Cryptic male choice -- Cryptic female choice -- Sperm in competition II : sperm morphology. Sperm size -- Sperm polymorphism -- Intraejaculate sperm competition -- Ejaculate manipulation : mechanisms of female choice. Influence over remating -- Influence over sperm transfer -- Influence over sperm storage -- Sperm selection -- Social insects. Multiple mating and multiple paternity -- Social consequences of sperm competition -- Alternative hypotheses for multiple mating -- Broader significance. Sperm competition and sexual selection -- Life history evolution -- Speciation.
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