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Marine Resources, C 15
Test Description: Marine
Instructions: Answer all questions to get your test result.
1) Nearly _____________ of the seals and sea lions are taken for fur annually
A
500,000 - 600,000
B
300,000 - 400,000
C
100,000 - 200,000
D
400,000 - 500,000
2) A common use of algae is as
A
all to the answers are correct
B
algin, a food additive
C
a paper product
D
an aerospace structural material
3) The growth in aqua culture is
A
downward
B
flat (not changing)
C
undetermined
D
steeply upward
4) ____% of the seafood we eat comes from the aqua culture
A
25-30
B
30-45
C
10-25
D
45-55
5) Difficulties of aqua culture include
A
aqua cullture releases nitrates into the water
B
to feed some farm grown sea food, you must overfish another species to feed them
C
all of the answers are correct
D
disease is hard to control in aqua culture conditions
6) Bioprospecting is
A
the search for gold in marine organisms
B
none of the above
C
the search for pharmacological or other chemicals from marine resources
D
the search for gold in sea water
7) Safe bioprospecting requires a series of innoculations
A
true
B
false
8) __________% of the protein in the human diet comes from the sea
A
10
B
18
C
34
D
4
9) Commercial fish are found in the waters of ________________ because ______________
A
none of the answers are correct
B
the open ocean; there is little pollution
C
the deep sea; hydrothermal vents provide heat
D
the continental shelf and off shore regions; these are highly productive ecosystems
10) ____________ is the fish group that accounts for the largest commercial harvest
A
cod
B
The crustaceans
C
mahi mahi
D
The clupeids
*select an answer for all questions
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