You are presented with the question "What has insulation that also protects the body?" and the following answer choices: 
- layers of fat
 - animals
 - Animal fur
 - fur and fat
 - alpacas
 - fur seals
 - most mammals
 - Blankets

Now knowing that hair helps to insulate and protect the body and all mammals have hair, choose the best answer.


 

       most mammals  