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