Chapter 39

Genes affect the behavior of individuals by a. influencing the development of nervous systems b. affecting how individuals respond to hormones c. determining which stimuli can be detected d. all of the above

Stevan Arnold offered slug meat to newborn garter snakes from different populations to test his hypothesis that the snakes' response to slugs a. was shaped by indirect selection b. is an instinctive behavior c. is based on pheromones d. is adaptive

The proximate cause of feeding differences between sitter and rover fruit flies is a. a difference in alleles at one locus that affects learning b. natural selection related to competition for food c. a difference in alleles for oxytocin receptors d. a difference in their ability to find food

The honeybee dance transmits information about by way of tactile signals. a. predators c. location of food b. mating opportunities d. amount of honey

A \(\quad\) is a chemical that conveys information between individuals of the same species. a. pheromone c. hormone b. neurotransmitter d. all of the above

In whar group of vertebrates is monogamy and cooperative care of the young by two parents most common?

List two possible benefits of living in a group.

List two possible benefits of living in a group.

Eusocial insects a. live in extended family groups b. include termites, honeybees, and ants c. show a reproductive division of labor d. all of the above

In fishes that provide parental care, that care is most often delivered by a. the male parent c. siblings b. the female parent d. both parents

Match the terms with their most suitable description. altruistic \(\quad\) a. time-dependent form of behavior \(\quad\) learning \(\begin{array}{ll}\text { selfish herd } & \text { b. communal display area }\end{array}\) habituation \(\quad\) c. learning to ignore a stimulus lek d. defended area with resources territory e. assisting another individual imprinting at one's own expense dominance \(\quad\) f. unequal distribution of benefits hierarchy \(\quad\) g. involuntary response becomes classic tied to a stimulus conditioning h. individuals hide behind others