Animal Behavior: An Evolutionary Approach |
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Page 401
... POLYANDRY : Individual females may mate with more than one male per breeding season . A. Polyandry without sex role reversal 1. SPERM REPLENISHMENT POLYANDRY : Females may mate more than once to secure additional sperm with which to ...
... POLYANDRY : Individual females may mate with more than one male per breeding season . A. Polyandry without sex role reversal 1. SPERM REPLENISHMENT POLYANDRY : Females may mate more than once to secure additional sperm with which to ...
Page 418
... Polyandry In the cases we have described , females for the most part behave like typical females in that they are selective in their choice of mates and more likely to engage in parental behavior than their males . Polyandry is most ...
... Polyandry In the cases we have described , females for the most part behave like typical females in that they are selective in their choice of mates and more likely to engage in parental behavior than their males . Polyandry is most ...
Page 419
... polyandry and male parental care in giant water bugs [ 671 ] . The male , by accepting the eggs on his back , may in some environments provide much more effective defense of the brood than an energy - depleted female could . The male ...
... polyandry and male parental care in giant water bugs [ 671 ] . The male , by accepting the eggs on his back , may in some environments provide much more effective defense of the brood than an energy - depleted female could . The male ...
Contents
NATURAL SELECTION | 5 |
Alternative Hypotheses | 11 |
Experimental Tests of Evolutionary Predictions | 17 |
Copyright | |
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ability activity adaptive adult allele animals anole ants aphids attack auditory bank swallows bees Behavioral Ecology benefits biological birds black-headed gull brain breeding burrow butterfly Chapter colony Color copulate courtship cues cycle damselfly defense detect developmental dominant ecological effects eggs energy environment environmental evolution evolutionary evolved example experience feeding female's fertilize Figure flies foraging gametes ganglion genes genotype gulls habitat honeybee hormonal human hypothesis inclusive fitness individuals infanticide insects interactions kin selection kittiwake larvae living male's males and females mate mechanisms moth mutant nervous system nest neural neurons offspring parental pattern Photograph physiological polygyny population potential predators prediction prey produce progeny rats receptive receptors relatively reproductive success response result selection sensory sexual sexual reproduction sexual selection signals slug snakes social Sociobiology song sounds species sperm stimulation survival territory testosterone toad traits visual wasp white-crowned sparrow wings workers young