Animal Behavior: An Evolutionary Approach |
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Page 325
... chance of being killed per day . But if 1000 prey can cluster together , without altering the distribution pattern of their killers , the risk of dying per day will drop to 1 percent . We can express the dilution hypothesis in terms of ...
... chance of being killed per day . But if 1000 prey can cluster together , without altering the distribution pattern of their killers , the risk of dying per day will drop to 1 percent . We can express the dilution hypothesis in terms of ...
Page 402
... chance of finding other willing mates would be slight . Most females come into breeding condition at about the same time . They require a prolonged courtship before mating . By the time copulation is achieved , the number of unpaired ...
... chance of finding other willing mates would be slight . Most females come into breeding condition at about the same time . They require a prolonged courtship before mating . By the time copulation is achieved , the number of unpaired ...
Page 536
... chance of surviving and a high probability of simply draining resources from a mother with no genetic return . Conscious behavioral decisions about when to produce children can also have the effect of raising rather than lowering ...
... chance of surviving and a high probability of simply draining resources from a mother with no genetic return . Conscious behavioral decisions about when to produce children can also have the effect of raising rather than lowering ...
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