Question 1

An example of a marine non-renewable resource:

Accepted Answer

A) Shellfish. 
B) Finfish. 
C) Oil. 
D) Seaweeds. 
E) Whales. 
A) Shellfish. 
B) Finfish. 
C) Oil. 
D) Seaweeds. 
E) Whales. C

Question 2

One nation where annual catches have not significantly decreased since the late 1980s due to the increased efforts of its fishing fleet is:

Accepted Answer

A) Japan. 
B) Russia. 
C) United States. 
D) China. 
E) Canada. 
A) Japan. 
B) Russia. 
C) United States. 
D) China. 
E) Canada. D

Question 3

Traditional fisheries are those that:

Accepted Answer

A) Catches are routinely recorded. 
B) Catch shellfish,not finfish. 
C) Do not use boats. 
D) Use relatively simple gear and methods. 
E) Have catch quotas set by the UNCLOS Treaty. 
A) Catches are routinely recorded. 
B) Catch shellfish,not finfish. 
C) Do not use boats. 
D) Use relatively simple gear and methods. 
E) Have catch quotas set by the UNCLOS Treaty. D

Question 4

Continued catches above the maximum sustainable yield:

Accepted Answer

A) Can be increased to prevent overfishing. 
B) Will result in underutilization. 
C) Will result in a decrease of fishing effort. 
D) Must be decreased in order to decrease population size. 
E) Will result in overfishing and the crash of fish populations. 
A) Can be increased to prevent overfishing. 
B) Will result in underutilization. 
C) Will result in a decrease of fishing effort. 
D) Must be decreased in order to decrease population size. 
E) Will result in overfishing and the crash of fish populations.

Question 5

The "by-catch" is the name given to:

Accepted Answer

A) Junk species that are caught while fishing for more valuable species and are thus discarded. 
B) Species caught for industrial purposes. 
C) Krill and other shellfish. 
D) Species raised in fish farms. 
E) Species caught as part of traditional fisheries. 
A) Junk species that are caught while fishing for more valuable species and are thus discarded. 
B) Species caught for industrial purposes. 
C) Krill and other shellfish. 
D) Species raised in fish farms. 
E) Species caught as part of traditional fisheries.

Question 6

One of the following best describes commercial fisheries around the world:

Accepted Answer

A) Most have been affected by overfishing. 
B) About 20% have been affected by overfishing. 
C) All have been affected by overfishing. 
D) All have been affected by overfishing but none have been exhausted. 
E) None have been affected by overfishing in the Southern Hemisphere. 
A) Most have been affected by overfishing. 
B) About 20% have been affected by overfishing. 
C) All have been affected by overfishing. 
D) All have been affected by overfishing but none have been exhausted. 
E) None have been affected by overfishing in the Southern Hemisphere.

Question 7

Offshore oil is drilled mostly from:

Accepted Answer

A) Deep sea. 
B) Coral reefs. 
C) Abyssal plains. 
D) Continental shelf. 
E) Mid-oceanic ridge. 
A) Deep sea. 
B) Coral reefs. 
C) Abyssal plains. 
D) Continental shelf. 
E) Mid-oceanic ridge.

Question 8

Which of the following seafood choices should eco-minded consumers avoid to help protect fragile fisheries?

Accepted Answer

A) Pacific flounder 
B) Pacific cod 
C) Striped bass 
D) Grouper 
E) Tilapia 
A) Pacific flounder 
B) Pacific cod 
C) Striped bass 
D) Grouper 
E) Tilapia

Question 9

Finfish and shellfish provide approximately what percentage of animal protein consumed by humans around the world?

Accepted Answer

A) 0.5% 
B) 1% 
C) 10% 
D) 20% 
E) 30% 
A) 0.5% 
B) 1% 
C) 10% 
D) 20% 
E) 30%

Question 10

Fishing effort refers to all of the following except:

Accepted Answer

A) Number of fishing boats. 
B) Number of fishermen. 
C) Number and size of fishing nets. 
D) Amount of time spent at sea. 
E) Size of the catch. 
A) Number of fishing boats. 
B) Number of fishermen. 
C) Number and size of fishing nets. 
D) Amount of time spent at sea. 
E) Size of the catch.

Question 11

By definition,demersal catches are those that are harvested from:

Accepted Answer

A) The open water. 
B) The bottom. 
C) Estuaries. 
D) Waters where primary production is increased by upwelling. 
E) The continental shelf. 
A) The open water. 
B) The bottom. 
C) Estuaries. 
D) Waters where primary production is increased by upwelling. 
E) The continental shelf.

Question 12

Other than manganese,polymetallic nodules contain relatively large amounts of:

Accepted Answer

A) Nickel. 
B) Gold. 
C) Coal. 
D) Oil. 
E) Silver. 
A) Nickel. 
B) Gold. 
C) Coal. 
D) Oil. 
E) Silver.

Question 13

A fishery is regarded as collapsed when catches fall below what percent of historic high catches?

Accepted Answer

A) 50% 
B) 40% 
C) 30% 
D) 20% 
E) 10% 
A) 50% 
B) 40% 
C) 30% 
D) 20% 
E) 10%

Question 14

The maximum sustainable yield is best defined as the:

Accepted Answer

A) Highest catch that can be taken without overfishing. 
B) Maximum fishing effort allowed after overfishing is reached. 
C) Highest catch that will pay the minimum cost of the fishing effort. 
D) Minimum catch that will still allow the population to grow. 
E) The annual size of the catch that will balance natural death and predation. 
A) Highest catch that can be taken without overfishing. 
B) Maximum fishing effort allowed after overfishing is reached. 
C) Highest catch that will pay the minimum cost of the fishing effort. 
D) Minimum catch that will still allow the population to grow. 
E) The annual size of the catch that will balance natural death and predation.

Question 15

In the United States,marine catches are managed by:

Accepted Answer

A) Limiting length of fishing season. 
B) Limiting number of boats or fishers permitted. 
C) Transplantation of artificially reared young. 
D) All answers are correct. 
E) Limiting length of fishing season and Limiting number of boats or fishers permitted only. 
A) Limiting length of fishing season. 
B) Limiting number of boats or fishers permitted. 
C) Transplantation of artificially reared young. 
D) All answers are correct. 
E) Limiting length of fishing season and Limiting number of boats or fishers permitted only.

Question 16

Trawls are nets that:

Accepted Answer

A) Surround and trap fish. 
B) Float on the surface. 
C) Are allowed to drift along the surface. 
D) Placed along the bottom to trap passing fishes. 
E) Dragged along the bottom or through the water column. 
A) Surround and trap fish. 
B) Float on the surface. 
C) Are allowed to drift along the surface. 
D) Placed along the bottom to trap passing fishes. 
E) Dragged along the bottom or through the water column.

Question 17

The type of mariculture that takes place under more or less natural conditions with little manipulation by humans is known as:

Accepted Answer

A) Traditional mariculture. 
B) Aquaculture. 
C) Closed intensive mariculture. 
D) Open mariculture. 
E) Industrial mariculture. 
A) Traditional mariculture. 
B) Aquaculture. 
C) Closed intensive mariculture. 
D) Open mariculture. 
E) Industrial mariculture.

Question 18

Potential sources of energy that can be obtained from the sea include all of the following except:

Accepted Answer

A) Tides. 
B) Waves. 
C) Currents. 
D) Differences in temperature between deep and shallow water. 
E) Polymetallic nodules. 
A) Tides. 
B) Waves. 
C) Currents. 
D) Differences in temperature between deep and shallow water. 
E) Polymetallic nodules.

Question 19

Releasing farmed salmon fry to grow at sea and harvesting them when they return to the river where they were released is called:

Accepted Answer

A) Open mariculture. 
B) Closed mariculture. 
C) Salmon ranching. 
D) Traditional salmon runs. 
E) Intensive mariculture. 
A) Open mariculture. 
B) Closed mariculture. 
C) Salmon ranching. 
D) Traditional salmon runs. 
E) Intensive mariculture.

Question 20

The largest fish catches are those of:

Accepted Answer

A) Tunas. 
B) Herrings,sardines,and other clupeoid fishes. 
C) Cod,haddocks,related fishes. 
D) Salmon. 
E) Sharks,rays,and skates. 
A) Tunas. 
B) Herrings,sardines,and other clupeoid fishes. 
C) Cod,haddocks,related fishes. 
D) Salmon. 
E) Sharks,rays,and skates.

An example of a marine non-renewable resource:

One nation where annual catches have not significantly decreased since the late 1980s due to the increased efforts of its fishing fleet is:

Traditional fisheries are those that:

Continued catches above the maximum sustainable yield:

The "by-catch" is the name given to:

One of the following best describes commercial fisheries around the world:

Offshore oil is drilled mostly from:

Which of the following seafood choices should eco-minded consumers avoid to help protect fragile fisheries?

Finfish and shellfish provide approximately what percentage of animal protein consumed by humans around the world?

Fishing effort refers to all of the following except:

By definition,demersal catches are those that are harvested from:

Other than manganese,polymetallic nodules contain relatively large amounts of:

A fishery is regarded as collapsed when catches fall below what percent of historic high catches?

The maximum sustainable yield is best defined as the:

In the United States,marine catches are managed by:

Trawls are nets that:

The type of mariculture that takes place under more or less natural conditions with little manipulation by humans is known as:

Potential sources of energy that can be obtained from the sea include all of the following except:

Releasing farmed salmon fry to grow at sea and harvesting them when they return to the river where they were released is called:

The largest fish catches are those of:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Fishes

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters

Exam 17: Resources From the Sea

An example of a marine non-renewable resource:

One nation where annual catches have not significantly decreased since the late 1980s due to the increased efforts of its fishing fleet is:

Traditional fisheries are those that:

Continued catches above the maximum sustainable yield:

The "by-catch" is the name given to:

One of the following best describes commercial fisheries around the world:

Offshore oil is drilled mostly from:

Which of the following seafood choices should eco-minded consumers avoid to help protect fragile fisheries?

Finfish and shellfish provide approximately what percentage of animal protein consumed by humans around the world?

Fishing effort refers to all of the following except:

By definition,demersal catches are those that are harvested from:

Other than manganese,polymetallic nodules contain relatively large amounts of:

A fishery is regarded as collapsed when catches fall below what percent of historic high catches?

The maximum sustainable yield is best defined as the:

In the United States,marine catches are managed by:

Trawls are nets that:

The type of mariculture that takes place under more or less natural conditions with little manipulation by humans is known as:

Potential sources of energy that can be obtained from the sea include all of the following except:

Releasing farmed salmon fry to grow at sea and harvesting them when they return to the river where they were released is called:

The largest fish catches are those of:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Fishes

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters