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# Q14: The Eurasian ruffe, a fish species inadvertently

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SVP
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22 Oct 2005, 05:58
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Q14:
The Eurasian ruffe, a fish species inadvertently introduced into North Americaâ€™s Great Lakes in recent years, feeds on the eggs of lake whitefish, a native species, thus threatening the lakesâ€™ natural ecosystem. To help track the ruffeâ€™s spread, government agencies have produced wallet-sized cards about the ruffe. The cards contain pictures of the ruffe and explain the danger they pose; the cards also request anglers to report any ruffe they catch.
Which of the following, if true, would provide most support for the prediction that the agenciesâ€™ action will have its intended effect?
A. The ruffe has spiny fins that make it unattractive as prey.
B. Ruffe generally feed at night, but most recreational fishing on the Great Lakes is done during daytime hours.
C. Most people who fish recreationally on the Great Lakes are interested in the preservation of the lake whitefish because it is a highly prized game fish.
D. The ruffe is one of several nonnative species in the Great Lakes whose existence threatens the survival of lake whitefish populations there.
E. The bait that most people use when fishing for whitefish on the Great Lakes is not attractive to ruffe.
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hey ya......

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Director
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22 Oct 2005, 17:40
C
To make the task successful, Govt.'s request to anglers needs to be heeded. If the anglers are really interested in the ecosystem, they will co-operate and report their findings.

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22 Oct 2005, 18:50
C.

This may make sure that the plan may have its intended effect.

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SVP
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Re: CR # Eurasian ruffe [#permalink]

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22 Oct 2005, 20:26
C. if people who fish recreationally on the Great Lakes are interested in the preservation of the lake whitefish, they will inform the govt agencies about the sightings of ruff so that the govt agencies can take the desired actions........

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Manager
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23 Oct 2005, 09:43
I think it is A. Govt., agencies have brought out a wallet sized card about the ruffe. So, people can report its sightings once they see the spiny fins.
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23 Oct 2005, 10:57
One more for C. It is necessary people's colaboration for the plan to be successful.

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SVP
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23 Oct 2005, 14:08
yup C is the OA.
Good job.
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23 Oct 2005, 14:08
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