Which of the following would not be a reason animals typically exhibit dishonest behavior? To purposefully decrease another animal's fitness To avoid conflict To stop extrapair copulation To increase their own fitness
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- To purposefully decrease another animal's fitness
- To avoid conflict
- To stop extrapair copulation
- To increase their own fitness
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- In a species of birds, males court females by dancing and subordinate males are seen to join a dominant male and help in his dancing displays, though the subordinate receives no mating opportunities. If the subordinate male DOES NOT inherit the dominant male's territory upon its death, how would you explain this cooperative behavior? O Altruism, because the subordinate is receiving direct benefits O Mutualism, because the subordinate is receiving direct benefits O Altruism, because the subordinate is receiving indirect benefits O Mutualism, because the subordinate is receiving indirect benefitsWhich of the following observations is NOT an example of intra-sexual competition? Killing young individuals who are not oneâ s own offspring Guarding harem one has secured Having a specialized penile morphology that can displace other malesâ sperms Having a showy display to attract a mateAcorn woodpeckers (Melanerpes formicivorus) stash acornsin storage holes they drill in trees. When these woodpeckersbreed, the offspring from previous years often help withparental duties. Activities of these nonbreeding helpers includeincubating eggs and defending stashed acorns. Propose somequestions about the proximate and ultimate causation of thesebehaviors that a behavioral biologist could ask.
- Which of the following observations is NOT an example of intra-sexual competition? Killing young individuals who are not one s own offspring Guarding harem one has secured Having a specialized penile morphology that can displace other malesâ sperms Having a showy display to attract a mateWhat is communication between animals? Communicative signals carry information about Communication is the transmission and reception of signals between animat Food (eg. food vectors) Danger (eg alarm calls) A signal is a stimulus transmited hom one organism to another The communicator's traits (eg. readiness to mate, value for a mate, readiness to fight) What is a signal? What kinds of information do animals communicate? Communicative signals are exchanges between In some eusocial insect species, indivkdals transfer information about food vectors to other members of the colony Conspecifics (sooal group members. potential mates parents- offspring) veoreu How do fire ants communicate information about food vectors? Cross-species (eg. predator and prey) Weow eione Communicating food vectors with pheromone trails in ants Aeforg ielind fand and ib cokny hy i As d n ano la ot heavy for asia indhduo ury on cietan able se lurm um peratirulyary his isem Cs Scanned with CamScannerWhat is Bateman's principle? Bateman's principle Lots of sperm Feweggs Sperm must compete over eggs Vria iepaduivesc ie mudigae in males tan in female The vane isame ete emity of sa elecion Males must compete overfemales Lots of sperm Feweggs A Terrnitoral males direct more courtship dispiays towards females that have shown up on their teritory for the first time compared to long term females companions. Males must maimce the number of mates Preferencefor "new females A single bird eggmay constitute 15-20% of female's body mass Lots of sperm Few eggs Females must maimize reproductive success per egg CS Scanned with CamScanner
- Explain alarm calling in prairie dogs and ground squirrels. what are some data that indicatewhether alarm calling is selfish or altruistic behavior.? why altruistic behavior represents and evolutionary paradox. What is the primary hypothesis for themechanism that led to the evolution of alarm calling?Hamilton's Rule describes the relationship between cost and relationship in the evolution of altruistic behavior. Which of the following do not support Hamilton's rule: In colonies of Naked Mole Rates, only one female is reproductive. Cattle egrets sometimes kill their siblings. Wood mouse sperm will sacrifice themselves to assist a "sibling" sperm to fertilize an egg. O A Prairie Dog trills in response to an oncoming predator and is more likely to be eaten because it exhibits this behavior.Female parasitoid wasps search for insect hosts in which to lay eggs, and they can often discriminate among individual hosts that are more or less suitable for their offspring. Behavioral ecologists have asked whether or not the wasps’ willingness to lay eggs in less suitable hosts varies with the female’s age. On the basis of life history theory, what pattern of change would you predict? Does life history theory make any other predictions about animal behavior?
- Regarding mating behavior, choose the false statement from the list: Some aspects of courtship behavior may have evolved from agonistic interactions. Courtship interactions ensure that the participating individuals are nonthreatening and of the proper species, sex, and physiological condition for mating. The mating relationship in most mammals is monogamous, to ensure the reproductive success of the pair. Polygamous relationships most often involve a single male and many females, but in some species this is reversed. Salmon swimming against the stream to lay eggs is an example of taxis. tropism. kinesis. cognitive mapping spatial learning Female Apanteles wasps lay their eggs in caterpillars of the genus Pieris. The site of the caterpillar initiates the egg laying behavior. This is an example of a fixed action pattern. problem solving behavior. habituation.…Is the following case study an r-strategists or a K-strategists? Andean condors reach sexual maturity at five to six years. Reproduction is slow; females lay only one or two eggs every other year. Offspring are cared for by both parents for at least one year. Andean condors are long-lived and can survive for seventy to seventy-five years.How is fecundity between conspecific females measured? O The number of offspring they produce who survive to successfully reproduce themselves O The number of eggs they produce at one time O The number of times a female mates in her lifetime O The number of mates a female has in her lifetime