(05.02 MC)Key deer, a subspecies of white-tailed deer, are o…

(05.02 MC)Key deer, a subspecies of white-tailed deer, are only found on a few islands in the Florida Keys. They are tiny deer that weigh 45 to 65 pounds, which is very small compared to the 130– to 300–pound white-tailed deer that are found on the North American mainland. Which of the following conditions most likely resulted in the small size of the Key deer?