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Across
  1. 2. The place in an ecosystem where an organism lives.
  2. 4. Single-celled organisms lives on the roots of plants changing nitrogen gas into a form plants can use.
  3. 9. Living things in an ecosystem, like plants, animals, fungi, and bacteria
  4. 12. Animals that eat both plants and animals.
  5. 14. Organisms introduced to a new ecosystem that cause harm
  6. 15. Animals that eat other animals.
  7. 16. Animals that eat plants only.
  8. 17. A thick layer of hot, semi-solid rock that surrounds the core
  9. 18. The layer of gases that surrounds Earth
  10. 20. Unlike plants, They can't make their own food but they get it by breaking down dead matter.
  11. 21. Plants grow without soil, receiving nutrients directly from water.
  12. 24. An organism that is hunted by a predator.
Down
  1. 1. Nonliving things in an ecosystem, like air, water, soil, rocks, and light.
  2. 3. Soil decomposers, breaking down organic matter and enriching the soil.
  3. 5. Plants are the only ------------because they make their own food
  4. 6. The linear path that energy and nutrients follow in an ecosystem
  5. 7. organism that hunt for their food
  6. 8. Animals are --------------because they need food from others.
  7. 10. Made of super-hot iron and nickel.
  8. 11. It’s all Earth’s Living Things
  9. 13. The special role an organism plays in the ecosystem.
  10. 19. Made up of all living and nonliving things.
  11. 20. Express how multiple food chains in an ecosystem are linked together.
  12. 21. It’s all the Earth’s Liquid and Solid Water.
  13. 22. Nature's recyclers that break down dead plants and animals, turning them into simpler substances.
  14. 23. Thin outer layer of the Earth, made of solid rock