Animal Behavior: An Evolutionary Approach |
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Page 48
... slug food but ignored or avoided it completely . The response was very stable ; animals that refused slugs as newborns almost always rejected them again when tested a year later , with no intervening experience with slugs . To delve ...
... slug food but ignored or avoided it completely . The response was very stable ; animals that refused slugs as newborns almost always rejected them again when tested a year later , with no intervening experience with slugs . To delve ...
Page 50
... slug odor has been eliminated within each population . Most coastal snakes have the allele or alleles that enable them to sense slugs and attack them . In contrast , snakes of the inland population have alter- native alleles that result ...
... slug odor has been eliminated within each population . Most coastal snakes have the allele or alleles that enable them to sense slugs and attack them . In contrast , snakes of the inland population have alter- native alleles that result ...
Page 170
... slug Pleurobranchaea californica ( Figure 9 ) also produces eggs at intervals as it acquires the food necessary to support egg development ( although the slug manufactures a clutch of fairly small eggs rather than one large egg per ...
... slug Pleurobranchaea californica ( Figure 9 ) also produces eggs at intervals as it acquires the food necessary to support egg development ( although the slug manufactures a clutch of fairly small eggs rather than one large egg per ...
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