Animal Behavior: An Evolutionary Approach |
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Page 17
... progeny . Experimental Tests of Evolutionary Predictions We can also test the prediction that these factors promote the evolution of infant - killing males by conducting " controlled experiments ” in which the observer manipulates key ...
... progeny . Experimental Tests of Evolutionary Predictions We can also test the prediction that these factors promote the evolution of infant - killing males by conducting " controlled experiments ” in which the observer manipulates key ...
Page 41
... Progeny of " bright " rats Progeny of " dull " rats -214 Fifth generation Seventh generation ' Tryon's classic exper- iment on the genetics of maze - running ability in rats . In each generation , only the brightest males and females ...
... Progeny of " bright " rats Progeny of " dull " rats -214 Fifth generation Seventh generation ' Tryon's classic exper- iment on the genetics of maze - running ability in rats . In each generation , only the brightest males and females ...
Page 340
... progeny , who will have a chance to distribute themselves over a range of habitats rather than all being highly dependent on the same set of ecological conditions . Moreover , sexually reproducing individuals may occasionally hit the ...
... progeny , who will have a chance to distribute themselves over a range of habitats rather than all being highly dependent on the same set of ecological conditions . Moreover , sexually reproducing individuals may occasionally hit the ...
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