ENVIRO systems puzzel

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Across
  1. 2. Seeds in annual plants
  2. 6. Helps maintain the health of microorganisms living in the soil
  3. 9. An irregular rising and falling in number or amountbioticfactors
  4. 10. the natural movement of essential elements of living matter through the biotic and abiotic components of the earth
  5. 12. Nonliving elements of the environment that influence the way organisms and ecosystem function marineecosystem
  6. 13. The amount of chlorine that is present in water
  7. 14. The amount of oxygen that is present in water
  8. 17. CO2 on the seabed
  9. 19. New growth between summer and winter
  10. 20. One form of dissolved nitrogen that occurs naturally in soil and water
Down
  1. 1. Living components of the environment that affect the ecosystem or other living things in the environment
  2. 3. the transfer of water from the atmosphere and oceans in a continuous cycle
  3. 4. nonliving elements of the environment that influence the way that organisms and ecosystems function
  4. 5. living components of the environment that affect the ecosystem or other living things in the environment
  5. 7. Sedimentary rock
  6. 8. the storage area in a biogeochemical cycle where a substance remains for a period of time
  7. 11. When plants remove carbon dioxide from the air and store it
  8. 15. all of the living and nonliving components that interact in the same geographic area
  9. 16. a large, ecological community of organisms adapted to a particular climatic or environmental condition in a large geographic area
  10. 18. organisms that were born in the region where they live; not foreign or imported