Q54Long answer
Why are xylem and phloem called complex tissues? How are they different from one other?
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Both xylem and phloem consist of more than one type of cells, which coordinate to perform a common function. Xylem Phloem Consists of tracheids, vessels, xylem, Consist of sieve tubes, companion cell, parenchyma and xylem fibres phloem parenchyma and phloem fibres. They transport water and minerals They transport food from leaves to other vertically from soil to aerial parts of parts of the plant. the plant. Most of the cells except xylem Most of the cells except phloem fibres are parenchyma are dead cells living cells.