Question

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

Answer 1

Answer:

The external of youthful stem winds up harder when it grows up as a tree it occur because of sclerenchyma tissue the external layer of tree is secured with bark which gives quality and shields the plant from damage and disease

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Answer 2

Answer :

Tree : The stem becomes very hard , rough, are dark brown in color and their trunk becomes a home to many birds.

Young stem : The stems are soft, sometimes fleshy, it cannot bear the weight of a bird's nest and are green in color.