Environmental systems

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Across
  1. 2. one species in a ecosystem
  2. 4. a individual living thing
  3. 5. role in the ecosystem
  4. 7. doing good
  5. 9. little of
  6. 10. eats meat
  7. 12. eats plants and animals
  8. 13. must eat food
  9. 15. breaks down organic material
  10. 17. non living
  11. 18. they eat dead animals
Down
  1. 1. plenty of a source
  2. 3. makes own food
  3. 6. to die
  4. 8. eats plants
  5. 10. all the species in an ecosystem
  6. 11. consumer second consumer
  7. 14. living
  8. 16. consumer the first consumer on a food chain