Animal Behavior: An Evolutionary Approach |
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Page 336
... damselfly is sufficient to raise a number of key evolutionary questions around which this chapter is organized . First , why do the damselflies reproduce sexually instead of asexually ? Why should a female accept sperm from a male if ...
... damselfly is sufficient to raise a number of key evolutionary questions around which this chapter is organized . First , why do the damselflies reproduce sexually instead of asexually ? Why should a female accept sperm from a male if ...
Page 370
... damselflies , but not all species exhibit the same technique as C. maculata . A much more common method is for the male damselfly to retain his grip on the female's prothorax after she has accepted his sperm . He will remain in tandem ...
... damselflies , but not all species exhibit the same technique as C. maculata . A much more common method is for the male damselfly to retain his grip on the female's prothorax after she has accepted his sperm . He will remain in tandem ...
Page 396
... damselfly C. maculata is a classic example of a species whose males do not collect a material benefit for a mate but ... damselfly , hangingfly , and bullfrog , males do not provide resources or protection for their offspring . The ...
... damselfly C. maculata is a classic example of a species whose males do not collect a material benefit for a mate but ... damselfly , hangingfly , and bullfrog , males do not provide resources or protection for their offspring . 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