You are presented with the question "what uses unsaturated fatty acids to store energy?" and the following answer choices: 
- bushes
 - Cane.
 - A rodent
 - Oak
 - fens
 - alpacas
 - Conifers
 - humans

Now knowing that plants use unsaturated fatty acids to store energy and all plants are of bush type, choose the best answer.


 

 bushes        