Fact 1: Plants use unsaturated fatty acids to store energy.

Fact 2: All plants are of bush type.

Given the two facts above, answer the question "what uses unsaturated fatty acids to store energy?" with the following options: 
- bushes
 - Cane.
 - A rodent
 - Oak
 - fens
 - alpacas
 - Conifers
 - humans


 

 bushes        