APES Unit 3

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Across
  1. 1. In this cycle decomposers release a product that must be converted before it can be used by living things
  2. 8. Process of converting nitrates (NO3) into N2
  3. 9. Form of low quality energy
  4. 10. CO2
  5. 12. Organisms that create their own energy through photosynthesis or chemosynthesis
  6. 13. Bacteria and Fungi that reduce net productivity of an ecosystem
  7. 14. All biotic things in an area and their abiotic surroundings
  8. 15. End result of eutrophication
Down
  1. 2. Results from excess N or P in surface water
  2. 3. Adds biomass to the ecosystem through consumption
  3. 4. Balance the flow of energy in the ecosystem
  4. 5. Things that limit population growth in an ecosystem
  5. 6. How burning fossil fuels impacts the nitrogen cycle
  6. 7. This cycle involves heat
  7. 11. Largest reservoir for nitrogen