difference between xylem and phloem?
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Answers
Answer:
Xylem Phloem
Xylem is the complex tissue of plants, responsible for transporting water and other nutrients to the plants. Phloem is living tissue, responsible for transporting food and other organic materials.
Xylem consists of dead cells (parenchyma is the only living cells present in the xylem). Pholem mainly contains living cells (fibres are the only dead cells in the phloem).
They comprise of xylem vessels, fibre and tracheids. They comprise of phloem fibres, sieve tubes, sieve cells, phloem parenchyma and companion cells.
Xylem is located in the centre of the vascular bundle, deep in the plant. Phloem is located on the outer side of the vascular bundle.
Their movement is unidirectional. Their movement is bidirectional.
Xylem transports only minerals and waters from the roots Phloem transports food materials that are prepared by the green parts of the plants to other parts of the plant.
Provide mechanical support. Does not provide mechanical support.
Xylem is the dead tissue at maturity, but no cell contents. Phloem is the living tissue, but not with the nucleus.
Xylem often constitutes the bulk of the plant body. Phloem forms a small part of the plant body.
In xylem, the conducting cells or tracheary cells are dead. In phloem, the conducting cells are living.
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