Biology 10 Section 3

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Across
  1. 4. thin outer layer of the leaf
  2. 5. transports dissolved sugars
  3. 9. sites of photosynthesis
  4. 10. two layers of cells between the upper and lower epidermis
  5. 12. facilitate gas exchange
  6. 13. water leaving the leaf through the stomata
  7. 14. layer of the mesophyll that allows for gas exchange
  8. 15. attraction of water molecules to molecules of other substances
  9. 16. uses sugar and oxygen to produce energy
Down
  1. 1. blister-like structures on bark and woody stems
  2. 2. the pulling of water up the xylem
  3. 3. transports water and dissolved minerals up the stem
  4. 5. uses carbon dioxide and water to produce sugar
  5. 6. regulate the size of the stoma opening
  6. 7. attraction of water molecules to other water molecules
  7. 8. Increase the surface area of the roots
  8. 11. layer of the mesophyll which contains chloroplasts