AnswersGV 2019 - MPS Environmental Science Semester 2 SC631Issues Affecting Marine Ecosystems

Issues Affecting Marine Ecosystems Answers

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1
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Marine debris mostly originates from oceangoing ships.

A
T
B
F
2
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Which of the following best explains why marine debris is not caused solely by countries bordering the ocean?

A
Marine debris mostly originates from oceangoing ships.
B
Debris is carried to the ocean by winds, rivers, and storms.
C
Marine debris originates from natural sources.
D
None of the above
3

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4

Which of the following best explains the environmental problems associated with trawling?

A
Trawling always destroys sea floor ecologies.
B
Trawling gathers fish indiscriminately.
C
Trawling is too selective at gathering fish.
D
All of the above
5

The Great Pacific Garbage Patch will be difficult to physically clean up because _______.

A
it lies in international waters
B
no single nation is responsible for creating it
C
filtering out the plastic will also remove plankton
D
all of the above
6

Marine debris is best described as being composed of _______.

A
solid garbage
B
untreated sewage
C
toxic chemicals
D
things discarded by humans
7

It is best to say that marine debris _______.

A
is a hazard to marine animals
B
degrading ocean health
C
a pervasive, global pollution problem
D
all of the above
8

Which of the following is an impact of fishing on fisheries?

A
an increase of fishery health
B
an increase in fishery populations
C
the discovery of new fisheries
D
none of the above
9

Long line fishing, drift nets, and trawling all produce an insignificant amount of by-catch.

A
T
B
F
10

Question is locked

Answer not available
11

Because they are manmade, fish farms are not considered fisheries.

A
T
B
F
12

The Great Pacific Garbage Patch is best described as _______.

A
a floating island of garbage in the Pacific ocean the size of Texas
B
a garbage patch formed of clusters of plastic debris
C
a patch of densely polluted water the size of Texas in the Pacific ocean
D
the result of oceangoing ship pollution
13

Long line fishing and drift nets are hazardous to fish and other marine animals.

A
T
B
F
14

Which of the following is not a goal of the Seafood Watch program?

A
to promote sustainable fishing
B
to identify unsustainable sources of fish
C
to increase fish sales
D
to improve ocean health

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