Ecology Introduction Crossword

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Across
  1. 2. A symbol that indicates the flow of energy.
  2. 4. web All the food webs in an ecosysem, interacting.
  3. 5. Organism that eat producers.
  4. 8. Organisms that break down dead organic material.
  5. 9. A rich and diverse ecosystem.
  6. 16. Any animal that hunts other organisms for food.
  7. 17. Organism that eats secondary consumers.
  8. 18. The original energy source in most food chains/webs.
Down
  1. 1. A series of organisms dependent on the next as a source of food.
  2. 3. Organism that eats primary consumers.
  3. 6. The organism at the top of the food chain/web.
  4. 7. In a food chain, these are organisms that eat other organisms.
  5. 10. An example of a decomposer.
  6. 11. Organisms that must eat other organisms to obtain nutrition
  7. 12. Organisms that can produce their own nutrition.
  8. 13. The coldest of all ecosystems.
  9. 14. Is passed on through every level in a food chain/web.
  10. 15. Part of a food web/chain that contains the most energy
  11. 16. An animal that is hunted or killed by other animals.