BITO-ONON_Crossword

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Across
  1. 1. stomata is below the surface of the leaf
  2. 3. stomata remains _____ during a prolonged drought, even during the day
  3. 5. The most familiar type of leaf
  4. 6. This is internal to the plant and in some way measures time.
  5. 11. The other word for leaf blade
  6. 14. a set of cells that surround vascular bundles of a leaf
  7. 20. valuable in plant identification
  8. 22. Has a cooling effect on the plant
  9. 23. branches off from the midrib
  10. 24. cellular and molecular levels
  11. 25. a factor of transpiration; increases the rate of transpiration while humid air decreases it since the
  12. 26. Area where the epidermis is depressed into the leaf with stomata.
  13. 27. a factor of transpiration; more water is lost from a plant at higher temperature
  14. 28. are tougher and waxier than ordinary foliage leaves and often have no petiole
Down
  1. 2. Releases enzymes to weaken the cell walls
  2. 4. environmental signal to plants that leads them to modify their activities
  3. 7. More prominent on the abaxial side of leaves.
  4. 8. covers the wound left by the fallen leaf
  5. 9. Protects the shoot apical meristem while shoot is still young and small
  6. 10. During the day, the concentration of this ion in the guard cells gradually decreases
  7. 12. something guard cells have but ordinary epidermal cells don't.
  8. 13. biological rhythms that follow an approximate 24-hr. cycle.
  9. 15. branch off from the lateral vein
  10. 16. is already saturated or nearly so with water.
  11. 17. Allows a leaf to flutter in the wind
  12. 18. usually consists of a single layer of parenchyma cells
  13. 19. Along with the foilage leaves, they form the shoot of the plant.
  14. 21. the tissues between upper and lower epidermis