Energy Flow Crossword Puzzle

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Across
  1. 3. usually one celled organims; some produce own food, others eat
  2. 5. the natural environment of an organism
  3. 7. an organism which uses elements from the envirnment to make its own food
  4. 8. an organism that gets its nutrients and energy by feeding on other organisms
  5. 11. feeds mainly on primary consumers
  6. 12. captures and eats other animals
  7. 13. a species that can only thrive in a narrow range of environmental conditions
  8. 14. breakes down dead organisms and wastes to complete the nutrient cycle
  9. 15. feeds mainly on dead material
  10. 16. organims that don't make their own food but do posses a cell wall
  11. 18. a species able to thrive in a wide variety of environmental conditions
  12. 20. hunted or caught for food
Down
  1. 1. factors that are important in controlling population growth
  2. 2. relating to or derived from living organsims
  3. 4. all the organsims in a feeding level
  4. 6. form of life composed of mutually independent parts that maintain various vital processes
  5. 9. feeds on both primary and secondary consumers
  6. 10. feeds mainly on producers
  7. 17. microscopic single celled organisms belonging to the kingdom Manera
  8. 19. a class of individuals having the same common characteristics or qualities