Ecosystem

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Across
  1. 2. A stable community that no longer goes through major ecological changes
  2. 5. The process of a body of water becoming nutrient-rich
  3. 6. The first species that colonize new or undisturbed land
  4. 8. This layer of water on wet soil
  5. 9. The region along coastlines or rivers flows into a body of salt water
Down
  1. 1. The process by which the mix of species and habitat in an area changes over time
  2. 3. The ocean shore between the lowest low tide and the highest high tide
  3. 4. Underwater structure made from outside skeletons of tiny soft bodied animals called coral
  4. 7. How much dissolved salt in water