Crossword Puzzle - Leaves

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Across
  1. 4. One factor affecting transpiration rate.
  2. 5. Most transpiration occurs through this.
  3. 9. cells, The opening of the stomata happens when water enters this.
  4. 10. K+ diffuse into the guard cells passing through voltage-gated _________ channels.
  5. 12. It holds the  blade  out  into  the  light  and  minimize  shading  of  flowers and   other  leaves.
  6. 17. air, One factor affecting transpiration rate.
  7. 19. stomata, This is found below  the  surface  of  the  leaf or the epidermis.
  8. 20. Water from the epidermal cells surrounding the guard cells move into the guard cells by _______.
  9. 23. venation, The pattern of venation in the long strap-shaped leaves of many monocots.
  10. 25. One factor affecting transpiration rate.
  11. 27. The inner walls of the guard cells near the stomatal pore are _____ than the outer walls.
  12. 29. Example of a monocot that has no abscission zone.
  13. 30. Example of a plant whose leaves have two palisade mesophyll.
Down
  1. 1. leaf, This is attached to the stem, forming the shoot of a plant.
  2. 2. The two  small  flaps of  tissue  at  the  base  of  petioles.
  3. 3. True or False: Blue light is present in sunlight and has a wavelength from 300-500 nanometers.
  4. 6. One factor affecting transpiration rate.
  5. 7. veins, They release  water  from  xylem  and  load  sugar  into  phloem.
  6. 8. It is the evaporation  of  water  through  the  stomata  or  cuticle.
  7. 11. clock, This is internal to the plant and in some way measures time.
  8. 13. sheath, It is a set  of  cells,  which  may be  parenchyma,  collenchyma  or  sclerenchyma,   that  surround  vascular  bundles  of  a  leaf.
  9. 14. Example of a plant whose leaves have no spongy mesophyll and only palisade mesophyll.
  10. 15. The tissues  between  upper  and  lower  epidermis.
  11. 16. True or False: Transpiration is responsible for the movement of water downward from leaves to roots.
  12. 18. rhythm, Biological rhythms that follow an approximate 24-hr. cycle.
  13. 21. pigment, This is a pigment that absorbs blue light strongly.
  14. 22. True or False: The closure of the stomata is due to decrease in concentration of malate and/or sucrose in the guard cells in the late afternoon/early evening.
  15. 24. scar, This is formed  by adjacent  undamaged  cells that  swell  and  become  corky.
  16. 26. Another term for leaf blade
  17. 28. Mesophyll, The thickness of its layer is depending on the light intensity being absorbed.