IS THE OUTER LAYER OF THE BRANCHES OF TREES DIFFERENT FROM THE OUTER LAYER OF A YOUNG STEM?
The outermost layer of the trees is covered by the bark. Which gives it the strength, and protect the plant from the injury and infections. The bark is made up of the dead cells from the different origins like cork, phelloderm, cortex, phloem and xylem. The outer layer of young stem is made up of living cells.