You are presented with the question "what have a layer of fat under the skin to help insulate the body?" and the following answer choices: 
- animals
 - dermis
 - humans
 - bears
 - whales
 - goats
 - insects
 - h2o

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


 

     whales    