1.

What changes do occur on the outer layer of a young stem when it becomes a tree?

Answer»

Their costume GETS hard and fat and has more number of PHLOEM and xylem.

The external layer of a youthful stem winds up harder when it GROW up as a tree it occurs because of Sclerenchyma TISSUE!

External layer of the trees is secured with bark, which gives it quality and shields the plant from DAMAGE and disease.



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