Chapter Questions
"Starlings minimize nest mites by festooning nests with wild carrot," said Clark and Mason. Their statement was _____.a. an untested hypothesisb. a predictionc. a test of a hypothesisd. a proximate conclusion
Genes affect the behavior of individuals by _____.a. influencing the development of nervous systemsb. affecting the kinds of hormones in individualsc. governing development of muscles and skeletonsd. all of the above
Generally, living in a social group costs the individual, in terms of _____.a. competition for food, other resourcesb. vulnerability to contagious diseasesc. competition for matesd. all of the above
A statement that overcrowding causes lemmings to disperse to areas that are more favorable for reproductionis _____.a. consistent with Darwinian evolutionary theoryb. based on a theory of evolution by group selectionc. supported by the finding that most animals behave altruistically during their lives.
Eusocial insects _____.a. live in extended family groupsb. are found among almost all insect ordersc. show a reproductive division of labord. a and ce. all of the above
Helping other individuals at a reproductive cost to oneself might be adaptive if those helped are _____.a. members of another speciesb. competitors for matesc. close relativesd. illegitimate signalers
Match the terms with their most suitable description.a. time-dependent form of learning requiring exposure to key stimulusb. genes plus actual experiencec. stereotyped motor program that runs to completion independently of feedback from environmentd. assisting another individual at one's own expensee. one communication signalfixed action pattern _____altruism _____altruism altruism and learned behavior _____imprinting _____pheromone _____