Fact 1: Animals use saturated fatty acids to store energy.

Fact 2: During hibernation, they use their stored energy very slowly.

Given the two facts above, answer the question "An animal hibernating is slowly consuming " with the following options: 
- organic matter
 - Slowing the transfer of heat
 - saturated fatty acids
 - tree roots
 - the amount of oxygen
 - sulfuric acid
 - animal crackers
 - amount of matter


 

   saturated fatty acids      