Biology Chapter 19: The Importance of Leaves

Vocabulary	Objectives
19:1  The Structure of Leaves	page 398
blade midrib epidermis palisade layer spongy layer stoma guard cell transpiration wilting	Draw a leaf and label the following parts:  leaf edge, midrib, stalk, blade, and small veins. Give the function of the cells in a leaf. Explain the process of transpiration.
19:2  Leaves Make  Food	page 405
(no new words)	Describe the process of photosynthesis. Explain the chemical equation for photosynthesis. Compare the importance of sugar in photosynthesis and respiration.
19:3  Leaves for Food	page  410
(no new words)	Determine why plants are important to other living things. List different uses of leaves. Explain why leaves change color.