Question

why are xylem and phloem called complex tissue​

Answer 1

Answer:

Explanation:      Xylem and phloem are known as complex tissues as they are made up of more than one type of cells. These cells work in a coordinated manner, as a unit, to perform the various functions of the xylem and phloem. ... Sieve tube elements are tube-like elongated structures associated with companion cells.

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Answer 2

Answer:

Complex tissues are those in which cell are different but having same function

As, xylem is made up of 4 types of cells

Trachaids, vessels, x. fiber ,x. Parenchyma

Similarly, phloem

Seive elements, companion cells, p.fiber, p.parenchyma.

But at all their function are similar..

I hope this will helping....