The outer layer of a plant—analogous to our skin and also called the epidermis—is the first defense to keeping pathogens out.
Explanation:
The epidermis itself is shielded by additional layers on certain plant parts: bark on a tree, a waxy cuticle on leaves. Plants also produce chemicals that are toxic to pathogens or to insects.
<span>A six-carbon sugar is an example of a molecule </span><span>that can join with other molecules to form a carbohydrate such as starch or cellulose.</span>
