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

Fact 2: Fur and feathers help keep some animals warm during the harsh winter.

Given the two facts above, answer the question "What function can fur and feathers perform for some animals?" with the following options: 
- the support structure
 - they travel great distances
 - the process of adaptation
 - structure and function
 - temperature regulation
 - prevent bodies from transferring heat
 - heat to cooler objects
 - the production of heat


 

      prevent bodies from transferring heat   