Question 1

Phytoplankton productivity has dropped by 9% in the last 20 years.

Accepted Answer

A) True 
 B)False

Question 2

What is a feasible alternative to fossil fuels that might be able to generate enough energy to meet the world's needs?

Accepted Answer

A)   Methane hydrate
B)   Nuclear power
C)   Wind power
D)   Tide powerE) A) and D)
F) B) and C)

Question 3

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

Accepted Answer

A)   Runoff from land and city streets
B)   Spills from tankers
C)   Transportation
D)   Drilling platformsE) A) and B)
F) C) and D)

Question 4

What is favorable news associated with global warming ¾ perhaps one of the few advantages?

Accepted Answer

A)   There will be more rainfall
B)   There will be a change in terrestrial ecosystems
C)   The Northwest Passage will be open
D)   There will be a rise in sea levelE) C) and D)
F) A) and C)

Question 5

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

Accepted Answer

A) True 
 B)False  True

Question 6

What is the difference between crude oil and refined oil? What effect do these differences have when spilled into the environment?

Accepted Answer

The answer of What is the difference between crude oil...

Question 7

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

Accepted Answer

A) True 
 B)False  True

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

There is no commercial fishing allowed in national marine sanctuaries.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

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.E) All of the above
F) A) and B) A

Question 12

How do many exotic species find their way to new waters?

Accepted Answer

A)   Migrations
B)   Carried in the ballast water of tankers
C)   Marine birds
D)   StormsE) B) and C)
F) A) and D)

Question 13

How are pristine conditions of the atmosphere determined?

Accepted Answer

A)   Research conducted prior to the Industrial Revolution
B)   Seawater samples from deep within polar ice packs
C)   Sediment samples
D)   coral skeletonsE) A) and D)
F) None of the above

Question 14

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

Accepted Answer

A)   The quantity of the pollutant
B)   The toxicity of the pollutant
C)   The persistence of the pollutant
D)   All of these choicesE) A) and B)
F) B) and C)

Question 15

Some pollutants are able to persist in the environment for thousands of years.

Accepted Answer

A) True 
 B)False

Question 16

Which habitat is the most impacted by pollutants?

Accepted Answer

A)   Estuaries
B)   Intertidal zones
C)   Deep-water zones
D)   Coral reefsE) All of the above
F) A) and C)

Question 17

What are some of the dangers corals have to face right now? What impact will global warming have on these factors?

Accepted Answer

The answer of What are some of the dangers corals...

Question 18

What is a biodegradable pollutant?

Accepted Answer

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 environmentE) All of the above
F) A) and B)

Question 19

What could happen if global warming were to continue?

Accepted Answer

A)   Changes in global winds and rainfall
B)   Rise in ocean temperatures
C)   Decrease in dissolved gases
D)   All of these choicesE) A) and B)
F) B) and C)

Question 20

What have been some of the causes of the increased amount of oil found in the ocean? What is the largest source of additional oil?

Accepted Answer

The answer of What have been some of the causes...

Exam 18: The Ocean and the Environment

Phytoplankton productivity has dropped by 9% in the last 20 years.

Correct AnswerverifiedShow Answer

What is a feasible alternative to fossil fuels that might be able to generate enough energy to meet the world's needs?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is favorable news associated with global warming ¾ perhaps one of the few advantages?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

What is the difference between crude oil and refined oil? What effect do these differences have when spilled into the environment?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

There is no commercial fishing allowed in national marine sanctuaries.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

How do many exotic species find their way to new waters?

Correct AnswerverifiedShow Answer

How are pristine conditions of the atmosphere determined?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Some pollutants are able to persist in the environment for thousands of years.

Correct AnswerverifiedShow Answer

Which habitat is the most impacted by pollutants?

Correct AnswerverifiedShow Answer

What are some of the dangers corals have to face right now? What impact will global warming have on these factors?

Correct AnswerverifiedShow Answer

What is a biodegradable pollutant?

Correct AnswerverifiedShow Answer

What could happen if global warming were to continue?

Correct AnswerverifiedShow Answer

What have been some of the causes of the increased amount of oil found in the ocean? What is the largest source of additional oil?

Correct AnswerverifiedShow Answer

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