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

Fact 2: Pugs are mammals and mammals shed.

Given the two facts above, answer the question "what have a layer of fat under the skin?" with the following options: 
- Birds
 - humans
 - trees
 - pugs
 - mounds
 - cats
 - otters
 - bones


 

    pugs     