NATURE'S CLASSROOM REVIEW

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Across
  1. 9. High____________is one indicator of a healthy river
  2. 11. An organism not naturally found in Florida
  3. 12. Some use gills to take oxygen from the water (2 words)
  4. 14. Shady, dry soil; high percolation (2 words)
  5. 16. the Hillsborough River empties into this (2 words)
  6. 18. Birds of prey have large_____________.
  7. 19. The pigments from decaying plant matter that give the river its brown color (2 words)
  8. 20. A tree that is unlikely to survive long-term flooding (2 words)
  9. 22. The place where the Hillsborough River begins (2 words)
Down
  1. 1. Dark soil; wet & shady (2 words)
  2. 2. Long ago, cypress trees were cut and sold as __________.
  3. 3. non-living factors such as sunlight, soil type, and elevation (2 words)
  4. 4. Lowest elevation; shady & wet
  5. 5. The red arrow on a compass always points ____________.
  6. 6. The movement of groundwater through the soil
  7. 7. The Hillsborough River is the primary source of drinking water for this area (3 words)
  8. 8. Community that grows best with regular fires (2 words)
  9. 10. Flying invertebrates (no backbone)
  10. 13. The nymph of this insect develops in the river
  11. 15. Animals that eat other animals
  12. 17. The largest predator in the riverine swamp
  13. 21. If a lot of sensitive organisms are found in the river, it must be _________________.