Mike lives in a cold mid-western city, where there is not much predator prey interaction. Mike noticed that in his city some squirrels have darker coat, while others have lighter coat. He also knew that darker coats are more suitable in cold environment with less predator prey interaction. He started thinking why the squirrels developed different coat colors. Given the paragraph above, please answer correctly the following question: Which squirrels would have greater chance of survival, lighter or darker?
Answer:
darker