Energy Flow

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Across
  1. 2. — The total mass of living material in an area or trophic level.
  2. 4. — An organism that breaks down dead material and returns nutrients to the environment.
  3. 7. — An organism that hunts and eats other organisms.
  4. 9. — Living and nonliving things interacting in an environment.
  5. 10. — A group of the same species living in one area.
  6. 14. — The ability to do work or cause change.
  7. 16. — An organism that gets energy by eating other organisms.
Down
  1. 1. — A consumer that eats only plants or algae.
  2. 3. — An organism that eats dead animals it did not kill.
  3. 5. — All the different populations living and interacting in one area.
  4. 6. — A consumer that eats both plants and animals.
  5. 8. — When organisms need the same limited resource.
  6. 11. — An organism that is hunted and eaten by a predator.
  7. 12. — A consumer that eats other animals.
  8. 13. — Related to feeding levels in an ecosystem.
  9. 15. — An organism that makes its own food (usually by photosynthesis).