Chapter 27, Problem 3CT

Summary Introduction

To explain: The reason why the roots lack the protective covering like the plant surface which has a waxy cuticle.

Concept introduction: Root is the plant part that typically lies below the soil surface. The root system is the extensive of the shoot system. The important function of the roots include taking up water (H₂O) and mineral ions from the soil, anchor the plant to the soil, and store nutrients in some cases.