You are presented with the question "What has a layer of fat under the skin to help insulate the body?" and the following answer choices: 
- goats
 - snakes
 - hamburgers
 - animals
 - humans
 - rabbit
 - bears
 - fur

Now knowing that mammals have a layer of fat under the skin to help insulate the body and all humans are mammals, choose the best answer.


 

     humans    