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It grows from the soil.

Trees increase in height by building new cells from the apical meristem at the top of the tree. The trunk expands in diameter by producing new cells around the circumference from the vascular cambium, which produces xylem and phloem to transport food and water, and the cork cambium, which produces bark. Branches and roots grow longer by producing new cells from the lateral meristems at the tip, similar to the apical meristem.

The meristems and cambium contain meristematic tissue, which is a collection of undifferentiated cells that dive and then differentiate to become specific cell types.

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14y ago

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