23.1 Roots Stems and Leaves Vocab

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Across
  1. 3. extremely thick, rigid cell walls that make tissue tough and strong
  2. 5. regions of unspecialized cells in which mitosis produces new cells ready for differentiation
  3. 6. produces vascular tissue and increases thickness of stems over time
  4. 10. single layer of cells that make up the dermis
  5. 11. specialized cells that surround stomata and control their opening and closing
  6. 12. small openings in epidermis that allow for gas exchange
  7. 15. _____ tissue produces and stores sugars and contributes to physical support of plant
  8. 16. special waterproof zone
  9. 18. waxy layer of leaves that protects against water loss
  10. 19. large primary root
  11. 20. tendency of water to rise in a thin tube
Down
  1. 1. strong, flexible cell that supports plant organs
  2. 2. areas where leaves attach
  3. 4. clusters of xylem and phloem tissue
  4. 7. loss of water through leaves
  5. 8. branched roots that grow from base of stem
  6. 9. thin cells walls and central vacuole surrounded by cytoplasm
  7. 13. specialized ground tissue where photosynthesis occurs
  8. 14. growth of new cells produced at the end of plants by apical meristems
  9. 17. _____growth: increase in thickness of stems and roots
  10. 21. produces outer covering of stems