You are presented with the question "What conserves body heat with its fur?" and the following answer choices: 
- dogs
 - naked mole rats
 - shrews
 - humans
 - fish
 - deer
 - bats
 - whales

Now knowing that mammals conserve body heat with their hair or fur and mammals include squirrels, muskrats, opposums, and deer, choose the best answer.


 

      deer   