Fact 1: Preventing the transfer of heat from an organims 's body causes that organism to keep warm.

Fact 2: Animals are organisms that have ingestive metabolism.

Given the two facts above, answer the question "Preventing the transfer of heat from an animal 's body causes that animal to keep what?" with the following options: 
- fur
 - energy
 - cold
 - chilled
 - warmth
 - warm
 - fats
 - frozen


 

      warm   