You are presented with the question "What might animals use leaves for?" and the following answer choices: 
- water conservation
 - To make a path.
 - To burn for warmth.
 - storing water
 - To keep their body heat.
 - Help plants grow
 - sunlight energy
 - To fertilize gardens.

Now knowing that preventing the transfer of heat from an organims 's body causes that organism to keep warm and leaves keep animals warm, choose the best answer.


 

     To keep their body heat.    