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

Fact 2: If Arctic foxes are in too cool weather, they warm up by their thick fur.

Given the two facts above, answer the question "What prevents the transfer of heat from an organism's body?" with the following options: 
- ice
 - skin
 - funguses
 - bacteria
 - fats
 - fur
 - hair
 - bone


 

      fur   