ISCI2001 Test

From wiki.NGSciEd.org

Test #4 Study Guide

So where did your food come from?

1. Name and describe the two main types of energy.
2. Why are autotrophs considered to be producers?
3. Name the different types of consumers.
4. State the First Law of Thermodynamics.
5. What does the Second Law of Thermodynamics say?
6. What is photosynthesis? What is chemosynthesis? How are they different?
7. How many ATP is produced in aerobic respiration?
8. What is the equation for aerobic respiration?
9. What is the molecular formula for glucose?
10. How many ATP is produced in fermentation?
11. Briefly describe how/why anaerobic respirations can produces funny smells.
12. Describe environments where anaerobic respirations occur.
13. Briefly describe the 10% rule.
14. What are all of the trophic levels?
15. Which trophic level can support the largest number of consumers?
16. Which trophic level sends the most energy to the next higher trophic level? (Not percent, but in actual amount)
17. Compare and contrast food chains and food webs. Which is more realistic? Why?
18. Name the three subatomic particles.
19. Define the term biogeochemical cycle.
20. Describe the cycling of the following elements: carbon, nitrogen, and phosphorus. Include the principal forms of the element in each cycle and the significant processes related to each cycle.
21. Briefly describe the significance of limiting nutrients to growing grass in your front yard AND human-induced global climate change.
22. Write a paragraph that describes the ecological processes that bring food to your table.

Now that you don't want it any more, where does it go?

1. What is the maximum daily capacity of the Dahlonega plant? (include units)
2. What is the typical daily flow through the Dahlonega sewage treatment plant?
3. What is primary treatment and how is it carried out?
   1. What does the process remove?
   2. Where does the material go once it is removed from the waste stream during primary treatment?
4. How does the plant carry out the secondary treatment of the sewage?
   1. What does this process remove?
   2. What is BOD? Explain the significance of BOD to waste water treatment.
5. What would happen if you something fell into the secondary treatment of sewage? And why?
6. Where does the sludge go that is removed from the sewage?
   1. What are some of the problems associated with sludge (i.e., problems associated with disposing or using the waste)?
7. What occurs during tertiary treatment? What is removed during this process?
8. How does storm runoff affect the sewage plant?
9. What is done to the water after tertiary treatment and just before the the water is relased back into Yahoola Creek?
10. Explain and support the following statement: "Sewage treatment is a biological process."
11. At the Dahlonega Sewage Treatment plant, how long does the process take,from water entering the plant to leaving?