Sex, Evolution, and Behavior
This text provides an elementary level discussion of recent theory relating to the evolutionary and adaptive aspects of reproductive behaviour. The relation between ultimate and proximate levels of explanation is the major theme of the book. Two new chapters in this edition incorporate findings from recent research and there is also new material on humans, physiology, and development. Sex and reproductive behaviour are examined from an evolutionary comparative perspective and numerous empirical studies and examples are cited.
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The animal as strategist
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adaptive adult aggressive allele androgen animals asexual average behavior biology birds birth breeding brood cells Chapter chromosomes clutch competition copulation cost courtship cycle daughters developmental dimorphism effects eggs estrus eusocial evidence evolution evolutionary evolved example fact feed female female's fertility Figure function gametes genes genetic genotype gonadal habitat heritability hormones human inclusive fitness incubation individual iteroparous kinship lactation less male male's mammalian mammals marriage mating systems mature maximize mechanisms meiosis monogamous mortality mother natural selection nepotistic nest nurture offspring organisms ovulation parasite parental investment parthenogenetic paternity percent phenotype polyandrous polyandry polygynous population predators primates produce pups recombination relatively reproductive effort reproductive success reproductive value result risk RrYy season semelparous sex differences sex ratio sex-typical sexual differentiation sexual selection single social societies Sociobiology species sperm strategy suggested survival territory testosterone theory tion tive variable variance wives women young