7B Plants for Food and Fibre

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Across
  1. 2. a plant variety that has been produced using selective breeding
  2. 4. the build-up of salt from evaporated water in soil
  3. 5. soil layers
  4. 6. describes root systems that are effective at absorbing water quickly
  5. 8. moving crops to different fields to prevent the depletion of nutrients (two words)
  6. 10. a powdery substance containing the male sperm from a flower
  7. 11. a chemical used to kill organisms that harm crops
  8. 12. the process by which plants convert sugar into usable energy (two words)
  9. 15. transports water and minerals up the stem of a plant
  10. 16. the part of the stamen that produces pollen
  11. 17. the movement of a substance from high to low concentration
  12. 18. wood that is used for building or carpentry
  13. 20. the process by which water is transported up the stem of a plant (two words)
  14. 23. refers to asexual reproduction in plants, such as runners and tubers (two words)
  15. 26. the part of a flower that “catches” the pollen
  16. 28. the diffusion of water through a selectively permeable membrane
  17. 30. the part of the pistil that contains the ovules
  18. 31. a single crop being grown in a field
  19. 32. refers to watering systems used on farms
  20. 33. a line of trees or shrubs that are planted to prevent soil erosion (two words)
  21. 34. the pigment molecule that absorbs light used for photosynthesis
  22. 36. the female eggs of a flower
Down
  1. 1. a substance that can be added to soil to increase the amount of nutrients
  2. 3. the use of a pest’s natural predator to control its population (two words)
  3. 7. the rocky part of soil made up of sand, silt, and clay (two words)
  4. 9. when a pest becomes less affected by a pesticide due to its prolonged use (two words)
  5. 10. transports sugar up and down the stem of a plant
  6. 13. healthy soil that contains a 2:2:1 ratio of sand to clay to silt
  7. 14. growing plants in nutrient-rich water
  8. 19. the process of digging up and stirring the upper layers of soil
  9. 21. the release of water from the leaves of a plant
  10. 22. water is absorbed by a plant through these (two words)
  11. 24. a straight, thick root that stores nutrients and helps anchor a plant to the ground
  12. 25. tiny pores in a leaf that control the movement of water and gases
  13. 27. the total amount of useful plant matter that a crop produces
  14. 29. a plant that is grown for food or fibre
  15. 33. the removal of topsoil by wind or water (two words)
  16. 35. the organic part of soil that is broken down by decomposers