Water Quality

2. This macroinvertebrate is moderately pollution tolerant
4. In order to standardize measurements of the nine parameters, a __ must be found by using the provided graphs
5. An abundance of this type of bacteria results when overgrowth of plants begins to die
6. This type of pollution is indicated by a change in temperature between two locations on a stream
11. This process is used by organisms to power the production of ATP
12. Soaps & fertilizer are a source of this nutrient
13. These bacteria are found in the digestive tract of warm-blooded animals
16. This process involves microbes using oxygen to break down dead organisms
17. An increase in these, such as nitrogen & phosphorous, leads to eutrophication
20. Warming of water tends to ___ the amount of oxygen that can be dissolved in it
21. Mayflies and caddisflies are members of the most pollution __ group
22. This and DO are needed to find the % saturation of oxygen in water
24. This means "bottom-dwelling"
25. One specific type of bacteria that can be pathogenic (disease-causing)
26. Silt and clay in water
27. The number of days between DO measurements to determine BOD
31. The B in BOD
33. Refers to the numbers of different types (species) found

1. A pH of 8
3. one potential source of nitrates in water
7. These types of organisms do not contain a backbone and are identifiable with the naked eye
8. A pollution-tolerance score of 15 would be considered ___
9. This macroinvertebrate is an example of a very pollution-tolerant organism
10. The calcium and magnesium ions found in hard water
12. This process plants do is one that contributes oxygen to the water
14. This term refers to the total number of organisms found
15. Measure of the amount of oxygen consumed by organic matter and organisms (abbreviated)
18. Too many total solids in water can lead to a __ in water temperature
19. The highest weight parameter of the nine
23. One naturally occurring source of nitrogen
28. The presence or absence of __ organisms (which respond in predictable ways to pollution) indicates concepts of water quality
29. The relative measure of clarity of water
30. This macroinvertebrate is moderately pollution intolerant
32. The number of miles between your downstream and upstream spots for measuring temperature