Quiz 12 OCE 4008 Final Exam Study Guide

____ 1. What is hypoxia?

A. The increase of carbon dioxide in an area

B. The depletion of oxygen in an area

C. The decrease in nutrients in an area

D. The increase of nitrogen in an area

____ 2. What determines an organism's response to a particular pollutant?

A. The quantity of the pollutant

B. The toxicity of the pollutant

C. The persistence of the pollutant

D. All of these choices

____ 3. How long does it take for many plastics to decompose?

A. 50 years

B. 100 years

C. 250 years

D. 400 years

____ 4. What happens when corals exceed their normal temperatures for too long of a period of time?

A. Coral polyps overheat and die

B. Corals eject their zooxanthellae

C. Corals break down their shells

D. Corals increase their zooxanthallae

____ 5. What could happen if global warming were to continue?

A. Changes in global winds and rainfall

B. Rise in ocean temperatures

C. Decrease in dissolved gases

D. All of these choices

____ 6. Although these are all common in our atmosphere, which one is not a greenhouse gas?

A. Carbon dioxide

B. Methane

C. Nitrogen

D. Water vapor

____ 7. Which is not a reason why a refined oil spill is more harmful?

A. The oil contains more energy potential due to additives during the refinement process.

B. There are more biologically active components remaining in refined oil.

C. The refining process removes heavier components.

D. There are components that are added to oil which are deadly.

____ 8. How long does marine life usually tend to recover from a crude oil spill?

A. 2 years

B. 5 years

C. 7 years

D. 10 years

____ 9. Who was responsible for the environmental movement?

A. Charles Darwin

B. Edward Ricketts

C. Rachel Carson

D. Jared Diamond

____ 10. What is a biodegradable pollutant?

A. A pollutant that is organically based

B. A pollutant that is able to be broken down into simpler compounds

C. A pollutant that is natural

D. A pollutant that does not alter the environment

____ 11. How do the insoluble components of oil affect the ocean?

A. Prevent free diffusion of gas

B. Clog feeding structures

C. Decrease the amount of light penetrating the surface

D. All of these choices

____ 12. Where does the largest addition of oil to the ocean come from?

A. Runoff from land and city streets

B. Spills from tankers

C. Transportation

D. Drilling platforms

____ 13. What happens to the volatile components after any oil spill?

A. They sink to the bottom sediments

B. They evaporate into the air.

C. They form balls of tar in the wave action.

D. They assimilate by organisms.

____ 14. What is eutrophication?

A. A set of physical, chemical, and biological changes in an environment when there is an excessive release of nutrients in the water

B. A large plankton bloom dominated by one species

C. The removal of oxygen from the water of an area

D. The manmade changes to the environmen

____ 16. The carrying capacity of Earth has not quite been reached yet which is why our population is able to grow.

____ 17. Approximately 70% of discarded plastic sinks to the bottom of the ocean.

____ 18. Spills of refined oil are generally larger than those of crude oil.

____ 19. The depletion of the ozone layer near the poles had a major impact on the productivity of plankton.

In some cases, areas where oil spills were cleaned had communities in worse shape than in areas where an oil spill was left alone

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