1. Aquatic Biomes Quiz Review

2. Where are most marine organisms found?

3. Shallow, coastal waters

4. Why are pollutants in an estuary a problem?

5. The volume is so large they build up

6. Where are estuaries found?

7. Where fresh and salt water mix

8. Organisms location is determined by what 2 factors?

9. Nutrients and Sunlight

10. How are coal reefs made?

11. By tiny marine animals called polyps, they are calcium and limestone

12. What aquatic ecosystem has the highest salinity?

13. ocean

14. What are some threats to the ocean?

15. Overfishing, nutrient runoff, overfishing

16. Do wetlands increase runoff?

17. Why are estuaries productive?

18. They are constantly receiving fresh nutrients from rivers and oceans

19. What causes most the pollution in the us?

20. Industrial waste and sewage (EWWWW)

21. Know the difference between the littoral and benthic zone

22. Littoral is close to the shore, life is diverse, benthic zone water is cool and dark

23. What organism produces most the food? (the word means plant plankton)

24. Are mangrove swamps dominated by marsh grasses?

25. No, salt marshes are

26. What is an abiotic factor in an aquatic ecosystem?

27. What is the difference between aphotic and photic zone?

28. Aphotic does not receive light