You are presented with the question "what uses its skin for protection?" and the following answer choices: 
- amphibians
 - squids
 - worms
 - shield
 - alligators
 - sea urchins
 - Annelids
 - chicken

Now knowing that scales are used for protection by scaled animals and like all reptiles, alligator skin is covered with rows of scales, choose the best answer.


 

     alligators    