Air and Living Things (Plants)

What are these called?

Their function is to allow _______ _______ between the plant and the surroundings.

At night, when there is no light, the stoma is closed to reduce ..

• oxygen loss

• water loss

• carbon dioxide loss

• light loss

Only in the day, when there is light, the stoma is open to take in ______ for ______.

• oxygen, photosynthesis

• carbon dioxide, photosynthesis

• oxygen, respiration,

• carbon dioxide, respiration

Label 1 and 2 carefully.

• 1) water-carrying tube, 2) food-carrying tube

• 1) food-carrying tube, 2) water-carrying tube

Food-carrying tubes were removed at the cut. Will the leaves continue to grew healthily after a few days?

• Yes

• No

Food-carrying tubes were removed at the cut. After a few weeks, the plant died. Explain why the plant died.