Kelp Puzzle

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Across
  1. 3. Substance plants release to reproduce.
  2. 7. A material from red seaweed used often in the food industry
  3. 9. A species of brown algae that grows close to the shore.
  4. 10. Stem-like structures of seaweed.
  5. 11. A jelly-like substance found in the cell walls of red seaweeds
  6. 12. Without oxygen.
  7. 14. The method plants use to create their own food.
  8. 15. When many organisms in the ocean release gametes at the same time to mass spawn offspring.
  9. 16. A species of tree that grows half submerged in salt water.
  10. 18. A plant that reproduces via a flower.
  11. 20. A carbohydrate found in brown seaweed.
  12. 21. Root-like structures of seaweeds.
Down
  1. 1. Plants that can tolerate high levels of salt.
  2. 2. A type of organism that grows on other fungi and trees.
  3. 4. Leaf-like structures on seaweed.
  4. 5. The body of a seaweed.
  5. 6. A part of the seaweed that produces gas.
  6. 8. A multicellular organism.
  7. 13. When nitrogen undergoes conversion to ammonia.
  8. 17. Another name for seaweed.
  9. 19. Multicellular, Marine algae.