Ecology Quiz #2 Review

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Across
  1. 1. An abbreviation for human activity that causes species endangerment
  2. 3. Where 1 species benefits and the other is harmed
  3. 6. When a species plays a big part in an ecosystem
  4. 7. An organism that does not make its own food or energy
  5. 8. Energy that is stored and passed onto other organisms that consume it
  6. 14. Organisms that make their own energy through sunlight
  7. 17. The bottom of a food web pyramid
  8. 18. The 2nd level of a food web pyramid
  9. 20. Where both species benefit
Down
  1. 2. Where 1 species benefits and doesn't affect the other
  2. 4. A rule where only a certain amount of energy is passed
  3. 5. Organisms that make their own energy through gases
  4. 9. When a species is on the brink of no longer existing
  5. 10. Organisms that get energy through organic waste
  6. 11. When a species no longer exists
  7. 12. Integrated food chains to show a flow of energy
  8. 13. A linear representation of the flow of energy
  9. 15. An organism that makes its own food or energy
  10. 16. The 1st level of a food web pyramid
  11. 19. When a species only exists in one area