C. were conditioned to salivate in response to the sound of a bell.
<h2>The rabbit food supply will increase </h2>
I say this because when the mice were living in this ecosystem they were consuming a lot of food . They also caused harm to the crops due to which the area had to be sprayed with pesticides . When this area is sprayed with pesticides the mice population will decrease thereby increasing he food supply of other grass eating animals like rabbit around them . This is why we say that when the mice population has decreased the rabbits' food supply would increase .
1. Each island is unique and has their own animals and food.
2. The animals adapt to the different stimuli (food, terrain, etc.) and pass their adaptations from generation to generation.
3. Stimuli affect how animals evolve throughout the years.