As you are driving to school, you feel a movement on your leg and suddenly realize there is a spider crawling up it. you stop the car, feeling panicky. given what is known about the indirect pathways for sensory information, it is likely that the moment you saw the spider, that information was first routed to the

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.