Chapter 27.2, Problem 3SAQ

Summary Introduction

To draw:

The features of a leaf that is necessary to maintain a well-hydrated interior while still allowing ${\text{CO}}_{\text{2}}$ uptake from the atmosphere and also label them.

Introduction:

The epidermal cells of the plant leave secrete cuticle that prevents the loss of the water. However, the presence of cuticle prevents the diffusion of carbon dioxide into leaf. The small pores in the epidermis that allow the diffusion of the carbon dioxide are stomata.