Plant Systems

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Across
  1. 1. The structure that protects and nourishes the seed.
  2. 3. The process plants use to make their own food.
  3. 5. The process of seed dispersal by wind, animals, or water.
  4. 7. The structure in flowers that produces pollen.
  5. 8. Tiny openings on leaves that allow gas exchange
  6. 9. The male reproductive cell in plants.
  7. 11. The female reproductive structure in a flower.
  8. 12. Movement of water across a semi-permeable membrane
  9. 17. The transfer of pollen from one flower to another.
  10. 19. The waxy layer that prevents water loss on leaves
  11. 20. Growth of a plant toward light.
  12. 21. Tissue that transports sugars throughout the plant.
  13. 22. The upward pressure created by water entering roots.
Down
  1. 2. The process by which water moves up through a plant and evaporates from leaves.
  2. 4. A plant's growth response to water.
  3. 6. A plant hormone responsible for growth and tropisms
  4. 10. Growth of roots downward due to gravity
  5. 13. The reproductive structure of flowering plants.
  6. 14. The part of the plant that anchors it and absorbs water.
  7. 15. The vascular system made of xylem and phloem
  8. 16. Tissue that transports water from roots to leaves.
  9. 18. Plant response to touch.