Please answer the following question: Fact 1: Scales are used for protection by scaled animals. Fact 2: Like all reptiles, alligator skin is covered with rows of scales. Given the two facts above, answer the question "what uses its skin for protection?" with the following options: - amphibians - squids - worms - shield - alligators - sea urchins - Annelids - chicken
A:
alligators