Multiple ChoiceTaste and smell are two distinct senses in animals living in terrestrial environments. Animals living in aquatic environments, however, have no distinction between taste and smell. Which response might explain this difference?
Open QuestionWhich sensory receptor—category pair is correct?(A)hair cell—nociceptor(B)snake pit organ—mechanoreceptor(C)taste receptor—chemoreceptor(D)olfactory receptor—electromagnetic receptor
Open QuestionWhich of the following sensory receptors is incorrectly paired with its category?a. hair cell—mechanoreceptorb. snake pit organ—thermoreceptorc. taste receptor—chemoreceptord. olfactory receptor—electromagnetic receptor
Open QuestionIn the human ear, how do different hair cells respond to different frequencies of sound?a. Waves of pressure move through the fluid in the cochlea.b. Hair cells are 'sandwiched' between membranes.c. Receptor proteins in the stereocilia of each hair cell are different; each protein responds to a certain range of frequencies.d. Because the basilar membrane varies in stiffness, it vibrates in certain places in response to certain frequencies.
Open QuestionThe middle ear convertsa. air pressure waves to fluid pressure waves.b. air pressure waves to nerve impulses.c. fluid pressure waves to nerve impulses.d. pressure waves to hair cell movements.
Open QuestionWhich of the following sensory receptors is incorrectly paired with its category?a. hair cell . . . mechanoreceptorb. taste receptor . . . chemoreceptorc. rod . . . electromagnetic receptord. olfactory receptor . . . electromagnetic receptor
Open QuestionEvaluate the following statements according to information presented in this chapter. Select True or False for each statement.T/F Most human eyes have one type of rod and three types of cones.T/F Rods are more sensitive to dim light than cones are.T/F Nocturnal animals have fewer rods than diurnal animalsT/F Both rods and cones use retinal and opsins to detect light.