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