Animal Behavior: An Evolutionary Approach |
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Page 183
... season , whereas at other times they sleep at night . ) As the spring migratory season approached , the birds - still held under 12L : 12D condi- tions - went through another moult and once again resumed their nightly hopping , an ...
... season , whereas at other times they sleep at night . ) As the spring migratory season approached , the birds - still held under 12L : 12D condi- tions - went through another moult and once again resumed their nightly hopping , an ...
Page 339
... season to season , and from year to year . Because this is so , there is often no guarantee that the environment would remain the same for an individual's offspring even if they were to live and reproduce themselves in exactly the same ...
... season to season , and from year to year . Because this is so , there is often no guarantee that the environment would remain the same for an individual's offspring even if they were to live and reproduce themselves in exactly the same ...
Page 401
... season . POLYGYNY : Individual males may mate with more than one female per breeding season . A. Some males can economically monopolize access to several females 1. FEMALE DEFENSE POLYGYNY : Females live in permanent groups , which ...
... season . POLYGYNY : Individual males may mate with more than one female per breeding season . A. Some males can economically monopolize access to several females 1. FEMALE DEFENSE POLYGYNY : Females live in permanent groups , which ...
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