1. Which of the following is written in scientific notation?

A. 0.12 x 103

B. 1.2 x 102

C. 12 x 10D. 120 x 10-1

2. Which of the following is the correct answer to (2 x 103)(4 x 105)?

A. 0.5 x 102

B. 0.5 x 108

C. 8 x 102

D. 8 x 108

3. Which of the following is the correct answer to (6 x 107)/(3 x 102)

A. 2 x 103.5

B. 2 x 105

C. 2 x 109

D. 2 x 1014

4. How many square centimeters are in 1 m2?

A. 1 cm2

B. 100 cm2

C. 1000 cm2

D. 10,000 cm2

5. Which of the following is the best example of the Tragedy of the Commons?

A. MI water contaminated with E. Coli

B. Uncontrolled population growth

C. Hunting the passenger pigeon to extinction

D. Overdependence on Fossil Fuels

6. The highest rate at which a resource can be used indefinitely without reducing its

availability is calledA. RecyclingB. Renewable

Resource UsageC. Upgrading natural

capitalD. Sustainable yield.

7. In the Environmental Impact equation, I = P x A x T, the P stands for

A. PopulationB. PollutionC. PovertyD. Production

8. Potentially Renewable Resources include all of the following except

A. ForestsB. WaterC. SoilD. Aluminum

9. Which of the following is an example of a non-point pollution source?

A. Sewage outfall pipeB. Smokestack on a

coal plantC. Runoff of fertilizer

from farmlandsD. Landfill for garbage

10. How long a chemical remains in nature is called its

A. Chemical natureB. ConcentrationC. ToxicityD. Persistence

11. The total area of land needed to support your lifestyle is called your

A. Carrying capacityB. Sustainable yieldC. Ecological footprintD. Arable acreage

12. The more the earth warms, the more permafrost in the arctic melts, which releases

more of the greenhouse gas methane. This is an example of a

A. Positive feedback loopB. Negative feedback

loopC. Tipping pointD. Chaotic behavior

13. Two chemicals are not dangerous if present in the water supply by themselves, but if they are found

together in the water, their combined effects are toxic to humans. This is an example of

A. A positive feedback loop

B. A negative feedback loop

C. Chaotic behaviorD. synergy

14. The warming in Antarctica is going to lead to the inevitable loss of most of the ice in Western

Antarctica, regardless of any actions humans take. This is an example of

A. A positive feedback loop

B. A negative feedback loop.

C. A tipping pointD. The butterfly effect

15. A very small shift in winds over the Pacific Ocean delays the arrival of bad weather in Seattle by 24 hours. This is an example of

A. A tipping pointB. The butterfly effectC. SynergyD. Resistance to

change

16. The First Law of Thermodynamics is also known as the Law of

A. Conservation of Energy.

B. Entropy.C. Ecological EfficiencyD. One-way Flow of

Energy.

17. With each energy transfer, what happens to the quality of energy?

A. It increasesB. It decreasesC. It stays the sameD. It depends on the

type of transfer.

18. What is Ecological Efficiency?A. The tendency of ecosystems

to reach their sustainable yield.

B. The cycling of energy within an ecosystem.

C. The percentage of usable energy transferred from one trophic level to the next.

D. The decrease in entropy with each step in the food chain.

19. Cells that have no membrane-bound organelles are called

A. AbioticB. BioticC. EukaryoticD. Prokaryotic

20. Which of the following is NOT an abiotic component of an ecosystem?

A. WaterB. AirC. Leaf litterD. nutrients

21. A factor that is too abundant or too deficient in an ecosystem and prevents growth is called

A. LimitingB. SynergisticC. Negative feedbackD. Positive feedback

22. Consumers are also known as

A. AutotrophsB. HeterotrophsC. DecomposersD. Detritovores

23. Which of the following is true of photosynthesis but is not true of

chemosynthesis?

A. Produces carbohydates

B. Requires an energy source

C. Produces oxygen gasD. Is the base of a food

chain

24. Which of the following performs respiration?

A. PlantsB. AnimalsC. DecomposersD. All of the above

25. Which of the following is true of ecosystems?

A. One way flow of high quality energy and nutrients

B. One way flow of high quality energy, recycling of nutrients

C. Recycling of high quality energy, one way flow of nutrients

D. Recycling of high quality energy and nutrients.

26. The rate at which producers convert solar energy into chemical energy is called

A. Gross Primary Productivity (GPP)

B. Net Primary Productivity (NPP)

C. Biological Oxygen Demand (BOD)

D. Respiration (R)

27. Which of the following would probably have the highest NPP?

A. DesertB. SwampC. ArcticD. Grassland

28. The movement of water into the soil is called

A. TranspirationB. PercolationC. InfiltrationD. Runoff

29. Which two processes remove CO2 from the atmosphere?

A. Respiration and photosynthesis

B. Combustion of fossil fuels and decomposition of organic matter

C. Decomposition of organic matter and photosynthesis

D. Dissolving into oceans and photosynthesis

30. The atmosphere is the main reservoir for which two nutrients?

A. Carbon and nitrogenB. Carbon and sulfurC. Nitrogen and

phosphorousD. Phosphorous and

sulfur

31. Which is the only nutrient that can be removed directly from plants from the atmosphere?

A. NitrogenB. CarbonC. SulfurD. Phosphorous

32. Which is the only nutrient that has no atmospheric component?

A. NitrogenB. CarbonC. SulfurD. Phosphorous

33. The words “uptake” or “assimilation” usually mean

A. When animals eat the plantsB. When decomposers break

down dead plants or animalsC. When plants pull nutrients out

of the soilD. When nutrients are broken

down from rock into soil

34. Fixation happens when

A. Nutrients chemically converted from the atmosphere

B. Nutrients are chemically converted from the soil

C. Nutrients in soil are converted into rock

D. You have an obsessive fascination with nutrients

35. Which nutrients are added to the atmosphere through the burning of fossil fuels

and the eruption of volcanoes?A. Carbon and nitrogenB. Nitrogen and sulfurC. Carbon and sulfurD. Carbon only

36. Which of the following converts ammonia into nitrates/nitrites?

A. FixationB. NitrificationC. DenitrificationD. Ammonification

37. Which organisms are responsible for fixation, nitrification and denitrification?

A. PlantsB. AnimalsC. DecomposersD. Bacteria

38. Which of the following depletes the oxygen in a lake undergoing eutrophication?

A. AlgaeB. NutrientsC. DecomposersD. Fish

39. Which of the following is NOT a characteristic of a Eutrophic Lake?

A. Low Primary Productivity

B. Excess nutrientsC. Anoxic or hypoxicD. Murky water

1. B2. D3. B4. D5. C6. D7. A8. D9. C10.D11.C

12.A13.D14.C15.B16.A17.B18.C19.D20.C21.A22.B

23.C24.D25.B26.A27.B28.C29.C30.A31.C32.D33.C

34.A35.C36.B37.D38.C39.A