2.42: Describe the Role of the Stomata

STOMATA: Located in the Lower Epidermis, It Controls Gas Exchange in the Leaf as it Opens and Closes Depending on How Turgid the Guard Cells Are

DURING THE DAY	DURING THE NIGHT
Stomata During the Day	Stomata During the Night
Guard Cells will Absorb Water by Osmosis (Due to High Light Intensity) and become Turgid Thick Inner Walls Will Split Open Stomata Opens Net Exchange of Gases Occur	Guard Cells will Lose Water by Osmosis (Due to Low Light Intensity) and become Flaccid Thick Inner Walls Will Stick Together Stomata Closes Net Exchange of Gases Do Not Occur