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Name the 4 plant organs.
Roots, Stem, Leaves, Flower
The outside layer of a young stem is called ____?
epidermis
The outside layer of a mature (older) stem is _____?
bark
Cells that carry water up the stem.
xylem
Food is transported down the stem through a tube-like cell called _____?
phloem
Name 3 types of cells found in a stem of a plant.