Cycle 8: Interdependence of Living Systems

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Across
  1. 4. specific area with biotic and abiotic factors
  2. 7. nonliving thing
  3. 11. creating cities
  4. 12. a behavior that an organism is born with
  5. 13. a trait that helps an organism to survive
  6. 16. clearing of large amounts of trees
  7. 18. eats both plants and animals
  8. 19. makes its own food
  9. 20. supplies nutrients to plants
  10. 21. chemical that kills plants
Down
  1. 1. necessary for all life
  2. 2. living organism
  3. 3. eats only plants
  4. 5. happens when two or more species need the same resource
  5. 6. eats only animals
  6. 8. a species that has completely died off
  7. 9. gives energy to plants
  8. 10. an organism's role in its ecosystem
  9. 14. different types of life
  10. 15. organisms with a mouth that eat other things
  11. 17. very rare (limited)