Question

why are plant tissues mainly composed of dead cells?


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Answer 1

Dead cells, which don't have organelles filling them up, have a greater capacity for transporting water. ... Both of these cell types are dead when they are used in the xylem.

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Answer 2

Answer:

There are two reasons:

Dead cells, which don't have organelles filling them up, have a greater capacity for transporting water. There are two types of cells that make up the xylem: tracheids and vessel elements. Both of these cell types are dead when they are used in the xylem.

The plant cell dies when it gets matured. Initially they are living but they die gradually with age. After death the cells become hard and provide strength to the plant. For this reason in a matured tree most of the cells are dead

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