Earth Environmental Science Unit 6

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Across
  1. 3. Organisms that break down dead organisms and recycle their nutrients.
  2. 4. A close relationship between two species that rely on each other.
  3. 5. A sequence that shows all the different ways energy is transferred between organisms.
  4. 9. The destruction of an ecosystem for the benefit of humans.
  5. 11. A symbiotic relationship where both species benefit.
  6. 14. An organism that is not native to a region and can take over the role of another organism.
  7. 15. - places where different forms of life can exist.
  8. 17. When the last member of a species dies out
  9. 18. The characteristics of a species that allows it to survive in its environment.
  10. 19. Organisms that get their energy from other organisms.
  11. 21. Nonliving part of a habitat.
  12. 22. When a large number of species dies out and causes the collapse of an ecosystem.
Down
  1. 1. Organisms that get their energy from the sun.
  2. 2. Organisms that only eat plants.
  3. 5. A sequence that shows how energy is transferred from one organism to another.
  4. 6. Ecosystem with its own living and nonliving parts.
  5. 7. Living part of a habitat.
  6. 8. A symbiotic relationship where one species benefits and the other is harmed.
  7. 10. A symbiotic relationship where one species benefits and the other is neither helped nor harmed.
  8. 12. The maximum number of organisms that an environment can support.
  9. 13. The variety of life in an ecosystem or the variety of forms within a species.
  10. 16. Organisms that only eat other animals.
  11. 20. The role a species plays in its environment.