Animal Behavior: An Evolutionary Approach |
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Page 33
... parental generation , the difference in the way they transported nest material can be safely attri- buted to genetic differences between hybrid and parental individuals . This result in itself does not tell us a great deal about the ...
... parental generation , the difference in the way they transported nest material can be safely attri- buted to genetic differences between hybrid and parental individuals . This result in itself does not tell us a great deal about the ...
Page 347
... parental care by males . The third hypothesis for the prevalence of maternal care is perhaps the most straightforward of all [ 290 ] . Its simple point is that , because they carry the eggs , females are often in a position to do ...
... parental care by males . The third hypothesis for the prevalence of maternal care is perhaps the most straightforward of all [ 290 ] . Its simple point is that , because they carry the eggs , females are often in a position to do ...
Page 528
... Parental Care Females should choose mates that will help them rear chil- dren , as this enhances female fitness . By the same token , one can predict that males that intend to make a commitment of parental care and wife support will ...
... Parental Care Females should choose mates that will help them rear chil- dren , as this enhances female fitness . By the same token , one can predict that males that intend to make a commitment of parental care and wife support will ...
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