Dave has a pet fish named Guppy. Dave habitually turns on the fish tank light every morning prior to feeding Guppy. After a while, Dave notices that Guppy swims right to the top of the tank as soon as he turns on the light. In this example, the ___________ is the CONDITIONED STIMULUS. Group of answer choices presence of Dave near the aquarium fish swimming to the top of the tank turning on the aquarium light fish food being placed in the tank