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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
According to E.O. Wilson, what is communication?
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Action or feature on the part of one organism that alters the probability of the behavior of another in a fashion adaptive to either one or both participants
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What is ritualization? Example?
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The evolutionary modification of a behavior pattern that turns it into a signal used in communication, or improves its efficiency as a signal
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The courtship display of male mallards
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What is Darwin's first principle? ex.?
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Serviceable actions become habitual in association with certain states of mind
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Number of displays in a variety of vertebrate species, goose postures in different contexts, canine display of male baboon
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What is the principle of antithesis? why?
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an animal, if confronted with a situation opposite the original, would perform a movement that is accordingly opposite (ex. aggressive vs. affectionate behavior)
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to reduce ambiguity!!
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Example of sensory communication?
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Scent glands in lemurs, strong sense of smell, use to mark territory
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Example of visual communication?
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threat face vs. play face in macaques
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What is unique about sympatric guenon monkeys?
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Their color is used in intraspecific communication for recognizing individuals, species, and potential mates
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What are some coloration and body shape displays in octopus?
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longitudal streak pattern, flamboyant display, dymantic display, zebra stripe display (aggressive)
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What is an example of deceptive communication?
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"femme fatale" firefly -- mimics the flashes of the females of other species and preys upon males attempting to mate
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What is an example of a deceptive signal in monkeys? which species do they occur in?
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sexual swellings (reflect changes in estrogen secretion) to attract males for mating
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-chimps
-bonobos -hamadryas -guenon monkeys |
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What is the cost of communication?
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the "handicap principle" -- signals that are not costly cannot evolve (--Zahavi)
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What is an example of a signal that is "honest advertising"?
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The use of vocal signals to assess fighting ability in deer, fighting ability in male toads (relationship between male's size and frequency of his calls)
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How was plumage variability in the harris sparrow studied by Rohwer?
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since darker males are dominant and win most of the fights in flocks - blackness AND acting dominant correlated with rise in status
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What is distinct about vervet monkey male coloration?
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red and blue genitals -- correlate with dominance
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What are examples of complex communication in honeybees? What do they mean?
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dancing for food -- the waggle dance : length of the straight run portion of the dance translates to the distance from the hive to food source
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