Plants

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Across
  1. 4. Plants breathe this in for use in photosynthesis
  2. 6. A cross between two species or varieties
  3. 8. One of the 3 main nutrients plants need to grow, chemical symbol P
  4. 11. Anchors plant to the ground, absorbs water and nutrients from the soil
  5. 13. Develops into a seed once fertilized
  6. 14. The lines running through a leaf, vascular tissue
  7. 18. One of the 3 main nutrients plants need to grow, chemical symbol K
  8. 20. Outer part of plant cell, animal cells do not have these
  9. 21. An unwanted plant
  10. 22. Development of a plant from a seed; sprouting
  11. 25. The seed from an oak tree
  12. 27. The main stem of a tree
  13. 29. Produced by a plant to attract animals to spread seeds
  14. 31. A word for a baby plant, sprouted recently
  15. 32. Base of the pistil, contains the ovules (eggs)
  16. 34. The part of a plant cell where photosynthesis occurs
  17. 35. Male part of the flower, produces and holds the pollen
Down
  1. 1. A tree that sheds its leaves in the fall
  2. 2. Chemical symbol for carbon dioxide
  3. 3. One of the 3 main nutrients plants need to grow, chemical symbol N
  4. 5. A tree that does not shed its leaves in the fall
  5. 7. The small openings on the bottom of leaves, plants breathe through these
  6. 9. Top of the pistil, sticky so pollen can adhere
  7. 10. How plants make energy from the sun
  8. 12. Where photosynthesis occurs
  9. 15. tube-like structure connecting the stigma and ovary
  10. 16. A flower before it blooms
  11. 17. Provides support for the plant, transports water and nutrients
  12. 19. What a flowering plant produces to make a new plant
  13. 23. The sweet, sugary fluid made by plants to attract pollinators
  14. 24. The male parts of a flower
  15. 26. Colorful modified leaf, attracts pollinators
  16. 28. Thin stalk, supports the anther
  17. 30. The green outer part of a flower, encloses the developing bud
  18. 33. The female parts of a flower
  19. 34. Grows in the desert, protects itself with thorns