41.The thin layer of living cells just inside the bark of a tree is called ____: [A] Pith [B] Crown [C] Xylem [D] Cambium Show Answer
A thin film or skin of cells just under the bark is called the cambium. Only 1 percent of a dormant mature tree is biologically living while the rest is composed of non-living, structural wood cells. Rather, the major living and growing portions of a tree are leaves, buds, roots, and the cambium.
