A complete ring of bark cut from around the circumference of a tree-trunk causes the tree to die. The xylem continues to carry water and salts to the leaves, which can make all the substances needed by the tree. So why does the tree die?
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the bark is fully made of dead cells which os very hard and protects the tree from the environmental conditions.
so the tree can hardly survive without the bark.
so the tree can hardly survive without the bark.
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