Across
- 2. free floating photosynthetic plants
- 5. wetlands are ______ so they can be used for development
- 7. What do astronomers use to look for potential life in planets
- 9. wetlands ______ water runoff from farms and urban areas
- 10. What kind of energy evaporates water
- 13. the lowest zone in a freshwater ecosystem
- 15. Fresh water environments are often ____
- 16. The path of water through our environment(HINT ________ Cycle)
- 18. The ocean is referred to as the biological ______
- 19. _____ of all coral reefs will be dead by 2030
- 20. Trees that grow in salt water
- 23. Humans have become the ________ species by damaging more than half of all ecosystems
- 24. bays where rivers empty into the sea
- 25. Reefs from where water is _______
Down
- 1. the highest zone in a fresh water ecosystem
- 3. The ______ Zone is the depth to which photosynthesis can occur
- 4. _____ island from parallel to the coast
- 6. What kind of process is water responsible for in cells
- 8. ______ decrease with depth
- 11. wooded wetlands are known as
- 12. shallow ecosystem in which the land surface is saturated
- 14. a sharp temperature boundary
- 17. wetlands can convert into terrestrial land if they fill with ________
- 21. marine environments have very distinct ______ zones
- 22. Building these destabilizes the barrier islands