Jorge has made the hypothesis that the more he feeds a mouse, the shinier its fur will be, because the mouse will be healthier. what should be the dependent variable in an experiment testing this hypothesis? a. how shiny each mouse's fur is b. how much each mouse weighs c. the type of food he feeds each mouse d. the amount of food he feeds each mouse

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.