12.2 and 12.3 Marine Lifestyles

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Across
  1. 2. each of the steps in the food chain
  2. 3. organisms that eat food to obtain energy
  3. 5. the _zone extends to a depth of 1,000m
  4. 6. heterotrophs that drift with the current
  5. 8. organisms break down detritus, recycle nutrients
  6. 10. organisms that live in the water column
  7. 13. another name for intertidal zone
  8. 14. total weight of tissue of organisms
  9. 15. organisms that live on the bottom
  10. 16. organisms that can swim against currents
Down
  1. 1. organic matter that is dissolved in water (DOM)
  2. 4. dead organic matter in a solid form
  3. 7. organisms that make their own food
  4. 9. autotrophs that drift
  5. 11. organisms that drift in the water
  6. 12. complex, interwoven diagram showing feeding relationships