Chapter 8

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Across
  1. 3. puts nutrients in lakes
  2. 6. sunlit surface layer away from shore
  3. 9. destroy terrestrial and aquatic habitats
  4. 12. small amount of plant nutrients
  5. 13. high tide creature
  6. 14. add excess plant nutrients to lakes
  7. 16. 40% of Earth's photosynthesis
  8. 18. headwater streams are shallow
  9. 19. water accumulates in streams
  10. 20. between low and high tides
Down
  1. 1. provide recreation for birdwatchers
  2. 2. occurs from algal growth
  3. 4. many nutrients
  4. 5. oysters, sea stars
  5. 7. home of Nemo
  6. 8. protect against coastal damage
  7. 10. has lots of coastal wetlands
  8. 11. degrades ocean-bottom habitats
  9. 15. fall between extremes of enrichment
  10. 17. too dark for photosynthesis