Question

How the roots and old xylem of the plant help in excretion​

Answer 1

Answer:

In plants, waste products are removed by diffusion. ... Waste products may be stored in vacuoles or may be stored in leaves which fall off. Resins and gums are stored in xylem which are harmless to trees. When the leaves and bark are shed, the wastes are eliminated.

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Answer 2

Answer:

In plants, waste products are removed by diffusion. ... Waste products may be stored in vacuoles or may be stored in leaves which fall off. Resins and gums are stored in xylem which are harmless to trees. When the leaves and bark are shed, the wastes are eliminated.