Unit B: Plants for food and fiber

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Across
  1. 3. The sticky tip of the pistil
  2. 4. The diffusion of water through a semi-permeable membrane
  3. 5. The build-up of toxins in higher-level consumers
  4. 6. The tip of the stamen
  5. 10. The tube that connects the stigma and the ovary
  6. 12. The process through which plants use the sun’s light to make their own food
  7. 15. When a parent plant produces offspring from a tuber, roots, leaves or stems
  8. 18. The tissues of a plant from the roots, stem, leaves or seeds
  9. 19. The stalk of the stamen
  10. 20. Brightly coloured flower parts to attract bees and other pollinators
  11. 21. Tiny roots that increase the surface area of main roots for better water absorption
  12. 22. A protective layer for flowers before they bloom
  13. 23. The exchange of gases in organisms to absorb oxygen
  14. 27. Nutrient rich, dark coloured top soil
  15. 28. Different layers in a cross section of soil
  16. 29. The gradual movement of soil, rocks and minerals from one place to another
  17. 30. A tiny protective layer holding a plants eggs
  18. 31. The female part of a flower
  19. 32. A single prominent plant root with tiny root hairs branching off
  20. 33. The growth from seed to a new plant
  21. 34. Choosing parent plants with specific characteristics desired in the offspring
  22. 36. The ovary of a plant that grows and protects a developing embryo
  23. 39. A shallow root system adapted for fast water absorption
  24. 41. Egg
Down
  1. 1. The tiny living plant that grows inside a seed
  2. 2. a pigment in plants that makes it green and helps in the process of photosynthesis
  3. 3. Two individual sets of genetic material create seeds and fruit
  4. 7. When only one type of crop is grown in a field
  5. 8. Parts of cells that control an organisms characteristics
  6. 9. The number of different species in a particular area
  7. 11. The sexual organ of conifers (cone-bearing trees)
  8. 13. The exchange of gases in plants to absorb CO2
  9. 14. Using a pests natural predator to get rid of it.
  10. 16. The build-up of salt on the surface leeching nutrients from the soil
  11. 17. Rocks, soil and clay that over time gets turned into soil
  12. 20. The process of fertilizing the ovule of a plant
  13. 23. Chemicals and toxins that are washed off and left in the soil
  14. 24. membrane that only allows certain substances or particles through
  15. 25. The use of pipes and sprinklers to water a crop (not rain)
  16. 26. Replacing resources as quickly as they are used and breaking down wastes as quickly as they are made.
  17. 35. The movement of particles from an area of high concentration to even concentration
  18. 37. Food that is grown without chemicals
  19. 38. The top layer of dark nutrient rich humus
  20. 40. The male part of a flower