Ecosystems

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Across
  1. 3. The hunted in a predator-prey relationship.
  2. 5. One organism benefits and the other is harmed.
  3. 8. All of the ecosystems on Earth put together.
  4. 9. A group of living things that share the same traits, and needs, and can reproduce.
  5. 10. A living factor
  6. 11. All of the living and nonliving factors in an area.
  7. 15. When two species both need a limited resource to survive they compete for that resource.
  8. 16. Something used by an organism to survive.
  9. 17. The hunter in a predator-prey relationship.
  10. 18. Both organisms benefit.
Down
  1. 1. An individual living thing.
  2. 2. A group of organisms from the same species that live in an area\.
  3. 4. A nonliving factor
  4. 6. Plant eater.
  5. 7. An area characterized by certain features like temperature and rainfall.
  6. 12. Meat eater.
  7. 13. One organism benefits and the other is unharmed.
  8. 14. Meat and plant eater.