Animal Behavior: An Evolutionary Approach |
From inside the book
Results 1-3 of 49
Page 347
... fertilize a high proportion of the eggs and he is close to his offspring and can help them . A male of another species that injects his sperm into a female that departs , not only is less likely to fertilize her eggs ( because she might ...
... fertilize a high proportion of the eggs and he is close to his offspring and can help them . A male of another species that injects his sperm into a female that departs , not only is less likely to fertilize her eggs ( because she might ...
Page 371
... fertilized ) ( Figure 20 ) . At this time the benefit of mate guarding increases dramatically ( because if a male fails to protect his spouse , she is likely to copulate with other males whose sperm may fertilize her eggs ) . The ...
... fertilized ) ( Figure 20 ) . At this time the benefit of mate guarding increases dramatically ( because if a male fails to protect his spouse , she is likely to copulate with other males whose sperm may fertilize her eggs ) . The ...
Page 385
... fertilize all of his mate's eggs ( Figure 2 ) . When given a choice between a sperm - depleted male and one that has ... fertilized by a close relative [ 324 ] . Females of the great tit prefer males whose songs are similar , but not ...
... fertilize all of his mate's eggs ( Figure 2 ) . When given a choice between a sperm - depleted male and one that has ... fertilized by a close relative [ 324 ] . Females of the great tit prefer males whose songs are similar , but not ...
Contents
NATURAL SELECTION | 5 |
Alternative Hypotheses | 11 |
Experimental Tests of Evolutionary Predictions | 17 |
Copyright | |
60 other sections not shown
Other editions - View all
Common terms and phrases
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