Unit 4 Crossword Puzzle

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Across
  1. 5. zone after the limnetic with a deeper region of water
  2. 8. prepare and cultivate land for crops
  3. 10. forms at the banks or boundary of the water
  4. 11. paved surfaces such as streets create a surface for water to
  5. 12. unable to sustain crops or vegetation
  6. 15. substance toxic to plants that is used to destroy unwanted vegetation.
  7. 17. ecosystem flooded by water
  8. 19. zone that extends a few meters into the body of water
Down
  1. 1. chemical that destroys fungi
  2. 2. forested wetland
  3. 3. may have a negative effect on the ecology of the watershed and on the reservoir, bay, or ocean where it ends up.
  4. 4. cultivation of a single crip in a given area
  5. 6. land area that channels rainfall and snowmelt to bodies of water and eventually outflow points such as bays and the ocean.
  6. 7. lowing water
  7. 9. nonflowing water
  8. 13. deepest region of water with no sunlight
  9. 14. waste water
  10. 16. formed when a lake slowly fills with plant debris
  11. 18. type of peat-accumulating wetland
  12. 20. wetland that is dominated by herbaceous rather than woody plant species