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MC - Plants

Multicellular Organisms - Plant Transport

QuestionAnswer
What is the function of the xylem? Transports water up the plant
What is the function of the phloem? Transports sugar up and down the plant.
What provides the xylem with support? Rings of lignin
Is the xylem or phloem dead? Xylem
What is the function of the upper and lower epidermis in a plant leaf? Protection
What is the function of the palisade mesophyll cells? Photosynthesis
Which cells allow the opening and closing of the stomata Guard cells.
What structures are present in the phloem? Sieve tubes, sieve plates, companion cells.
State two functions of the stomata. Gas exchange and evapouration of water
What is the transpiration stream? Movement of water from root to leaves
What process allows water to move into the root hair cells Osmosis
What process allows water to move up the xylem Osmosis
Which structures are found in the transpiration stream? Root hair cells, xylem, stomata
What effect does increasing temperature have on transpiration? Increases transpiration
What effect does increasing humidity have on transpiration? decreases transpiration
What effect does increasing surface area have on transpiration? Increases transpiration
What effect does decreasing wind speed have on transpiration? decreases transpiration
Created by: StNiniansHS