The rat on Island A: 1. They might learn how to catch small fish. 2. rat on island D would have trouble because they would not know how to catch fish. The rat on Island B: 1. They would eat food found in tide pools. 2. Rats on island C would not be used to seafood. The rat on Island C: 1. They live on the less windy side of the island so they do not get eaten. 2. Rats from island B would not be used to eating small shrubs. The rat on Island D: 1. They would have to eat grass and stay hidden 2. The rats from island a they would not be used to eating grass and predators would kill them off.