Animal Behavior: An Evolutionary Approach |
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Page 181
An Evolutionary Approach John Alcock. 5 Animal 2 with an abundance of food . Year after year they entered hibernation ... abundant there in the late spring and summer but not in the winter . Sensibly enough , white - crowned sparrows ...
An Evolutionary Approach John Alcock. 5 Animal 2 with an abundance of food . Year after year they entered hibernation ... abundant there in the late spring and summer but not in the winter . Sensibly enough , white - crowned sparrows ...
Page 187
... abundant only in the late summer . Gonadal growth in the sparrow starts in the spring but may not reach its peak until June . Even in birds with mature gonads , nesting generally will not start until the first intense rainfall of the ...
... abundant only in the late summer . Gonadal growth in the sparrow starts in the spring but may not reach its peak until June . Even in birds with mature gonads , nesting generally will not start until the first intense rainfall of the ...
Page 435
... abundance of comparative material , one need not envision large and unusual changes in behavior in order to account for the gradual evolution of the remarkable activities of H. sartor . The History of a Bowerbird's Display Fascinating ...
... abundance of comparative material , one need not envision large and unusual changes in behavior in order to account for the gradual evolution of the remarkable activities of H. sartor . The History of a Bowerbird's Display Fascinating ...
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