Ecology Part I

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Across
  1. 2. An animal that obtains food mostly by killing and eating other animals
  2. 4. A living organism that helps shape the environment
  3. 5. Organisms that need to take in their source of food to obtain their energy
  4. 9. The variety of life found in one area
  5. 11. Organism that breaks down the dead/waste
  6. 12. A non-living part of an ecosystem that helps shape the environment
  7. 15. An area where organisms work together to form life
  8. 16. A species average population size in a particular habitat
  9. 18. In the first trophic level of the food chain
  10. 19. Many food chains linked together
  11. 20. Organisms fight for resources
Down
  1. 1. The position of an organism in a food chain
  2. 3. A representation of the trophic levels of an organism
  3. 6. An organism that helps define an entire ecosystem
  4. 7. An environment in which an organism lives
  5. 8. Constrains a populations size and slows or stops it from growing
  6. 10. A way of behaving
  7. 13. Energy transferred between organisms
  8. 14. Animals that are killed and eaten by other animals
  9. 17. A living organism that causes harm to the environment