Wetland cross word puzzle

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Across
  1. 1. leisure activities
  2. 3. moving form one country or area to another
  3. 4. plants which produce food for other living organisms
  4. 6. the total of all living organisms that interact with the physical environment
  5. 8. shallow drainage basin
  6. 9. a body of porous rock or sediment saturated with ground water
  7. 10. matter that settles at the bottom of liquid
  8. 11. water loving
  9. 13. an ecosystem flooded by water
  10. 14. organisms which break down dead plants and animals into chemical components
  11. 15. a substance that provides nourishment for growth
Down
  1. 2. interaction of factors - physical, and chemical which impact on an organism
  2. 5. marine algae
  3. 7. animals which eat producers
  4. 10. water logged
  5. 12. living, occurring or existing in the absence of free oxygen
  6. 16. partially enclosed wetlands connected to the ocean