Parts of a plant

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Across
  1. 2. Shape of the pith cells
  2. 5. The main vein on a leaf, contains xylem and phloem
  3. 8. Moves glucose (food) to the storage areas
  4. 10. Grow on roots to increase surface area
  5. 11. Protect plant from UV radiation, insect attack, extreme temperatures
  6. 14. Stain the pith to verify the grains are starch
  7. 16. Mechanically supports the plant, holds it upright
  8. 17. The growing tip on the root
  9. 18. Give the stem strength and shape
Down
  1. 1. A tissue in the stem of the plant
  2. 3. The outermost layer of the plant
  3. 4. Photosynthesis happens here
  4. 6. Transport route for water, sugar, and nutrients
  5. 7. Water tubes in the midrib of a leaf
  6. 9. Tissue outside the xylem and phloem
  7. 12. The small tissue at the tip of the root
  8. 13. Shape of the stem
  9. 15. Moves water and nutrients from roots to leaves