Aquatic Ecology Questions: 1. Draw or describe the water cycle. 2. What are some properties of water that make it unique? 3. Draw a water molecule. Make sure to indicate the charges of the components. 4. How do hydrogen bonds form? 5. List some aquatic systems. 6. Water can be used as a source of power; how can this harm the aquatic system? 7. Why are wetlands important? 8. How has the United States lost their wetlands? 9. What is point source pollution and what are some types? 10. What is nonpoint pollution and what are some sources? 11. In our country what used the most water? 12. When a stream begins it is a called a _____________ stream. At the end where it enters another waterbody is called the _______________ of the stream. 13. How do streams get a lot of their nutrients? 14. What is an important part of the environment that provides food to streams during the fall? 15. In smaller order streams is production greater than respiration? Why? 16. What food do collectors eat in aquatic systems? 17. What do grazers eat and how? 18. What is an oligotrophic aquatic system? Eutrophic? 19. Where does most of the world’s atmospheric oxygen come from? 20. What order of macroinvertebrate insect larvae do not have legs? 21. What orders of macroinvertebrate insects have external gills? 22. What stream macroinvertebrates live in shells? 23. What group of insect macroinvertebrates has some members that make cases to live in? 24. What are some aquatic invaders that have had/are having a detrimental effect on aquatic systems? What are some vectors of introduction?