Fact 1: Waxy leaves are used for storing water by some plants.

Fact 2: Leaves are covered with a waxy layer, the cuticle , which prevents water loss.

Given the two facts above, answer the question "Leaves are covered with what, which is used to store water in plants?" with the following options: 
- exoskeleton
 - a cuticle
 - barrel-shaped
 - fibrous
 - Collagen
 - nutrients
 - cellulose
 - watershred


 

  a cuticle       