tissue, organs and systems Flashcards

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1
Q

xylem

A

tubes that transports water and minerals in one direction, from the roots to the leaves

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2
Q

phloem

A

tubes that transports sugars and other nutrients in two directions, to all the cells of the plant

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3
Q

stomata

A

he opening in the centre of a turgid stoma, where gases freely enter or exit a leaf

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4
Q

guard cell

A

a pair of curved cells that surround a stoma. When hot they lose turgor pressure and become flaccid, closing the stomata to limit water loss

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5
Q

transpiration

A
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