Fact 1: Mammals have a layer of fat under the skin to help insulate the body.

Fact 2: Of the sea mammals, especially the seal and walrus are hunted.

Given the two facts above, answer the question "What has a layer of fat under the skin to help insulate the body?" with the following options: 
- walruses
 - bears
 - the Sun
 - water
 - rabbit
 - ice
 - animals
 - humans


 

 walruses        