Ecology cross word

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Across
  1. 3. A large region with similar climate, plants, and animals.
  2. 4. An organism that makes its own food, usually using sunlight (like plants).
  3. 10. The role or job of an organism in its ecosystem.
  4. 12. A diagram showing energy, biomass, or numbers at each trophic level.
  5. 14. Two species competing for the same resource cannot both survive in the same niche long‑term.
  6. 15. A simple path showing who eats whom.
  7. 17. An animal that eats other animals.
  8. 18. An organism that breaks down dead organisms (like fungi or bacteria).
Down
  1. 1. The place where an organism lives.
  2. 2. A nonliving part of the environment (water, sunlight, temperature, soil).
  3. 5. An organism that gets energy by eating other organisms.
  4. 6. An animal that eats plants.
  5. 7. A relationship where both organisms benefit.
  6. 8. The total amount of living matter in an area.
  7. 9. All parts of Earth where life exists.
  8. 11. The living parts of an environment (plants, animals, bacteria).
  9. 13. An organism that feeds on dead organic matter (like worms).
  10. 14. A relationship where one organism benefits and the other is unaffected.
  11. 15. A network of many connected food chains.
  12. 16. All living and nonliving things interacting in an area.