YU

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Across
  1. 2. The scientific genus name for clover plants.
  2. 6. The ability of a plant or organism to continue living in its environment.
  3. 8. The process by which plants increase in size.
  4. 12. The parts of a plant that grow underground and absorb nutrients.
  5. 13. Tiny organisms in the soil that help shamrocks capture nitrogen.
  6. 14. Something that is uncommon, like a four-leaf clover.
  7. 15. The natural world where shamrocks grow and survive.
  8. 16. Small structures on plant roots where nitrogen-fixing bacteria live.
  9. 17. The science that studies living things like plants.
  10. 18. The ground where shamrocks grow and get nutrients.
  11. 19. What people believe a four-leaf clover can bring.
Down
  1. 1. A genetic change that can sometimes produce a four-leaf clover.
  2. 3. The three parts of a shamrock that grow from one stem.
  3. 4. An important nutrient that plants need to grow.
  4. 5. People who plant clover to improve soil nutrients.
  5. 6. A small green plant that is a symbol of luck and Irish culture.
  6. 7. The process that converts nitrogen into a form plants can use.
  7. 9. Living organisms that grow in soil and use sunlight for energy.
  8. 10. The saint who reportedly used the shamrock to explain a religious idea.
  9. 11. The country where shamrocks commonly grow and are culturally important.