Module 4 crossword

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Across
  1. 4. Energy storing nutrients.
  2. 5. level Organism's food position.
  3. 6. chain Linear feeding sequence.
  4. 7. Essential organic compounds.
  5. 9. pyramid Biomass energy flow.
Down
  1. 1. ecosystem Water based environment.
  2. 2. ecosystem Land based environment.
  3. 3. Vital inorganic elements.
  4. 4. webs Interconnected food chains.
  5. 8. predator Top level hunter.