Energy Flow

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Across
  1. 2. Decomposition renews____materials necessary for energy to enter life through primary production; completes materials cycle
  2. 7. Most efficient photosynthesizes
  3. 8. _____depth is when the amount of carbohydrates produced by and autotroph equals the amount required for its respiration
  4. 10. Break down organic material into an inorganic form
  5. 11. Made of levels, showing how energy transfers from one level of organisms to the next as they consume each other
  6. 14. Consumes autotrophs/producers
  7. 17. Have an internal support structure of silica
  8. 20. Happens when an autotroph receives too much or too little light
  9. 23. Spend entire life as plankton
  10. 24. Silica cell wall of a diatom
  11. 25. Coastal temperate and subpolar regions are ocean regions that have the ___primary productivity
Down
  1. 1. Live part of their life as plankton
  2. 3. Has a rigid cell wall made of silica
  3. 4. Energy source for photosynthetic organisms
  4. 5. An organism that consumes primary consumers
  5. 6. Better represents the flow of energy in nature than a trophic pyramid
  6. 9. Responsible for most of the ocean's primary production
  7. 12. Have one or two whip-like flagella
  8. 13. Physiological or biological necessities that affect survival
  9. 15. Time of explosive reproduction and growth of plankton species
  10. 16. Percent of energy that transfers from each trophic level
  11. 18. Mass of living tissue
  12. 19. Also called cyanophytes, bacteria, with chlorophyll
  13. 21. Most efficient ecosystem on earth
  14. 22. A wide variety of organisms that share a habitat and lifestyle