Sperm Competition and the Evolution of Animal Mating SystemsRobert Lloyd Smith Sperm Competition and the Evolution of Animal Mating Systems describes the role of sperm competition in selection on a range of attributes from gamete morphology to species mating systems. This book is organized into 19 chapters and begins with the conceptualization of sperm competition as a subset of sexual selection and its implications for the insects. The following chapter describes the relationship between multiple mating and female fitness, with an emphasis on determining the conditions under which selection on females is likely to counteract selection on males for avoiding sperm competi ... |
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ability active adaptations adult alternative Anim anisogamy appears assurance attempts behavior benefits biology bursa butterflies compared contribution copulation cost determine discussion Drosophila effect effort eggs ejaculate Entomol et al evidence evolution evolutionary evolved expected experiments favor female female's fertilization fitness forced frequency function gametes genetic genital groups guarding important increase indicate individuals insects insemination interests investment involved Lepidoptera less levels male male's mean mechanisms melanogaster morphology multiple mating natural observed obtain occur offspring organs oviposition pair parental Parker paternity penis period plugs population possible potential predictions present Press probability produce ratio receptivity reduce relative remating reproductive resource result sexual selection single Smith species sperm competition sperm displacement sperm precedence spermatheca spermatophore spiders storage stored strategies structure studies success suggests Table Thornhill tion transfer usually volume
