Animal Behavior: An Evolutionary Approach |
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Page 262
... chances of opening a mollusk a great deal , and ( 3 ) the chance that a whelk will break should be independent of the number of times it is dropped . Zach tested each of these predictions in the following manner . He erected a 15 ...
... chances of opening a mollusk a great deal , and ( 3 ) the chance that a whelk will break should be independent of the number of times it is dropped . Zach tested each of these predictions in the following manner . He erected a 15 ...
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 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 alarm calls allele animal behavior anole ants aphids bees Behavioral Ecology benefits biological birds black-headed gull bluegill brain breeding butterfly cells Chapter colony Color competition cooperation copulate courtship cues cycle damselfly defense detect developmental display dominant effects eggs environment evolution evolutionary evolved example experience feeding female's fertilize Figure flies foraging gametes genes genetic genotype gulls habitat hive honeybee hormonal human hypothesis inclusive fitness individuals infanticide insects kin selection kittiwake larvae living male's males and females mate mechanisms moth nectar nervous system nest neural neurons offspring parental pattern pheromone Photograph physiological polyandry polygyny population potential predators prediction prey produce progeny rats reared receptive receptors relatively reproductive success response Science sensory sexual selection signals snakes social Sociobiology song sounds species sperm stimulation strategy survival territory testosterone toad traits wasp white-crowned sparrow wings workers young