Question 1

In 2012, fish production provided between _________________ of the annual protein consumption by humans globally.

Accepted Answer

A)   0-100%
B)   17-70%
C)   25-50%
D)   22-88%
E)   70-90%

Question 2

The Exxon Valdez oil spill in Alaska was the largest oil spill to date in U.S. waters.

Accepted Answer

A) True 
 B)False

Question 3

Minamata disease is an example of humans ingesting __________ contaminated sea-life.

Accepted Answer

A)   DDT
B)   mercury
C)   lead
D)   chlorine
E)   PCB

Question 4

The world's largest oil spill

Accepted Answer

A)   came from a commercial oil well in the Gulf of Mexico.
B)   occurred in the Persian Gulf during the 1991 Gulf War.
C)   happened during the grounding of the Exxon Valdez.
D)   was the result of tanker collision during a North Atlantic storm.
E)   was the grounding of the Amoco Cadiz on the French coast.

Question 5

Marine wetlands are being rehabilitated faster than they are being removed.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following organisms are expected to show the highest concentration of DDT and other chlorinated hydrocarbons in its tissues?

Accepted Answer

A)   Filter-feeding fishes
B)   Carnivorous fishes
C)   Phytoplankton
D)   Sea lions
E)   Zooplankton

Question 7

Estuary areas and associated wetlands are generally increasing in the United States today.

Accepted Answer

A) True 
 B)False

Question 8

Simultaneous removal of fish from multiple trophic levels is termed

Accepted Answer

A)   sustainable fishing.
B)   fishing through the food chain.
C)   overfishing.
D)   fishing down the food chain.

Question 9

The Mississippi delta is losing area because the supply of sediment is less than the rates of delta erosion and subsidence.

Accepted Answer

A) True 
 B)False

Question 10

The sea is so vast that it can easily absorb any pollutants we dump into it with little harm to the environment.

Accepted Answer

A) True 
 B)False

Question 11

Pollution is best described as

Accepted Answer

A)   adding substances or energy that harm the environment.
B)   changing the population growth of species.
C)   the decrease in the quality of the environment as a result of natural events.
D)   substances or materials that are toxic to humans decreasing the quality of the human environment.
E)   can be broken down by bacteria.

Question 12

Ballast water is one of the main culprits introducing invasive species into new areas.

Accepted Answer

A) True 
 B)False

Question 13

Fully oxygenated waters contain as much as ___________ ppm oxygen.

Accepted Answer

A)   100
B)   25
C)   12
D)   5
E)   2

Question 14

A low oxygen level in the Gulf of Mexico

Accepted Answer

A)   kills most bottom organisms.
B)   is responsible for a decline in Gulf fisheries.
C)   has been linked to excess nutrients supplied by the Mississippi River.
D)   kills most bottom organisms and has been linked to excess nutrients supplied by the Mississippi River.
E)   kills most bottom organisms, is responsible for a decline in Gulf fisheries, and has been linked to excess nutrients supplied by the Mississippi River.

Question 15

Floating objects accidentally lost at sea are called

Accepted Answer

A)   flotsam.
B)   jetsam.
C)   toxicants.
D)   garbage patches.

Question 16

In the United States, A Marine Protected Area where fishing and other activities are completely prohibited is referred to as a

Accepted Answer

A)   marine protected zone.
B)   marine reserve.
C)   no-take zone.
D)   national park.
E)   conservation area.

Question 17

The effects of overfishing cease immediately when fishing is stopped.

Accepted Answer

A) True 
 B)False

Question 18

Mercury toxicity has been directly linked with which one of the following health problems in humans?

Accepted Answer

A)   Hepatitis.
B)   Cancer.
C)   Neurological disorders and paralysis.
D)   Digestive disorders.
E)   Respiratory problems.

Question 19

The term "trash fish" indicates fish that were caught accidentally.

Accepted Answer

A) True 
 B)False

Question 20

Mariculture, or aquaculture, has about the same relationship to commercial fishing as farming does to hunting.

Accepted Answer

A) True 
 B)False

Exam 15: Environmental Issues

In the United States, A Marine Protected Area where fishing and other activities are completely prohibited is referred to as a

Correct AnswerverifiedShow Answer

The term "trash fish" indicates fish that were caught accidentally.

Correct AnswerverifiedShow Answer

Ballast water is one of the main culprits introducing invasive species into new areas.

Correct AnswerverifiedShow Answer

The world's largest oil spill

Correct AnswerverifiedShow Answer

Mariculture, or aquaculture, has about the same relationship to commercial fishing as farming does to hunting.

Correct AnswerverifiedShow Answer

The Exxon Valdez oil spill in Alaska was the largest oil spill to date in U.S. waters.

Correct AnswerverifiedShow Answer

Floating objects accidentally lost at sea are called

Correct AnswerverifiedShow Answer

Marine wetlands are being rehabilitated faster than they are being removed.

Correct AnswerverifiedShow Answer

Mercury toxicity has been directly linked with which one of the following health problems in humans?

Correct AnswerverifiedShow Answer

In 2012, fish production provided between _________________ of the annual protein consumption by humans globally.

Correct AnswerverifiedShow Answer

The Mississippi delta is losing area because the supply of sediment is less than the rates of delta erosion and subsidence.

Correct AnswerverifiedShow Answer

Minamata disease is an example of humans ingesting __________ contaminated sea-life.

Correct AnswerverifiedShow Answer

Which of the following organisms are expected to show the highest concentration of DDT and other chlorinated hydrocarbons in its tissues?

Correct AnswerverifiedShow Answer

A low oxygen level in the Gulf of Mexico

Correct AnswerverifiedShow Answer

The effects of overfishing cease immediately when fishing is stopped.

Correct AnswerverifiedShow Answer

The sea is so vast that it can easily absorb any pollutants we dump into it with little harm to the environment.

Correct AnswerverifiedShow Answer

Estuary areas and associated wetlands are generally increasing in the United States today.

Correct AnswerverifiedShow Answer

Fully oxygenated waters contain as much as ___________ ppm oxygen.

Correct AnswerverifiedShow Answer

Pollution is best described as

Correct AnswerverifiedShow Answer

Simultaneous removal of fish from multiple trophic levels is termed

Correct AnswerverifiedShow Answer

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