Plants Moving On Up

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Across
  1. 3. Outermost layer of bark
  2. 6. Xylem cell type with slow water flow and air bubbles that only affect one cell
  3. 8. (2 words) Hypothesis explaining why phloem sap always flows from source to sink
  4. 9. Substrate with the highest water potential ~0
  5. 10. (2 words) Elements that are basically a living straw supported by companion cells
  6. 12. Innermost layer of wood
  7. 14. (2 words) Xylem cell type with unobstructed water flow, but air bubbles affect the whole tube
  8. 16. Type of xylem that makes up wood
  9. 17. (adj) Cells that are filled with water so that their cell walls are under pressure from inside
  10. 18. (2 words) Provides nuclei and organelles to support a sieve tube member
  11. 20. Plant adapted to arid environments
  12. 22. (2 words) Determines age of woody plants
  13. 23. Secondary xylem
  14. 24. (2 words) One-cell-thick layer of meristem cells for secondary growth
  15. 25. Type of photosynthesis in which gas exchange occurs at night and PEP is replaced by crassulaic acid
  16. 26. Water route that goes around root hair cells
  17. 30. Water is _________ up a plant
  18. 32. Lower the water potential of plant cells
  19. 33. What a plant does when its tissues lose water
  20. 34. Season when sugar reserves are mobilized to support new plant growth aboveground
Down
  1. 1. Ions that control stomatal opening and closing
  2. 2. Type of xylem formed at the apical meristem
  3. 3. Strip of wax forcing water to enter a cell before it crosses the endoderm
  4. 4. Type of bond responsible for adhesion
  5. 5. (2 words) Theory of how water rises up a tree
  6. 7. When the cell membrane pulls away from the cell wall
  7. 11. (2 words) Large cells with thin walls formed when lots of resources are available
  8. 13. Secondary xylem cells filled with resin
  9. 15. How leaves lower their water potential
  10. 19. Transports water and dissolved minerals through plant
  11. 21. Where water transpires from
  12. 27. Space between cork cells that allows for gas exchange from outside to living cells inside
  13. 28. Water route that goes through root hair cells
  14. 29. Transports sugars through plant
  15. 31. (2 words) Substrate with the lowest water potential, ~ -100