As trees get larger and the number of leaves increase, transpiration rates rise and demand for water increases. How do plant tissues meet this demand for water?
A. Cells of the xylem continue to divide and
produce more cells that transport water.
B. Vascular cambium continues to divide, and
cells of its inner surface differentiate to form
additional secondary xylem cells.
C. Cells of secondary phloem adjacent to the
vascular cambium differentiate into xylem
cells.
D. Cells present in the pith closest to the
xylem differentiate into xylem cells.
B
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