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Some species of Arctic birds are threatened by recent sharp

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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 16 Oct 2006, 00:52
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.



Which of the following, if true, most seriously undermines the argument?




A.Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.

B.It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.

C.The number of snow geese taken by hunters each year has grown every year for several years.

D.As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.

E.In the snow goose’s winter habitats, the goose faces no significant natural predation.

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New post 16 Oct 2006, 09:07
B. Because it appears that no one is interested in killing the geese, so , lifting restrictions is not going to change the status quo.

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New post 23 Oct 2006, 05:17
the OA?
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New post 23 Oct 2006, 10:48
Yes this one doesn't seem to be very straight forward at all ...

jerrywu wrote:
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.

Fact: Snow geese has sharp increase in population and thus threaten the other birds.
Fact: Hunting for snow geese will be over if population is reduced by 5%.
Argument: Dropping the restricition will kill more snow geese thus lessen the threat to other birds.

Ask for weaken.

Quote:
A.Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.

strenthen.
Quote:
B.It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.

Meaning if we drop the restriction more geese will be killed. Strengthen.
Quote:
C.The number of snow geese taken by hunters each year has grown every year for several years.

Meaning they'll kill even more this year, with the drop of the restriction. Not weaken.
Quote:
D.As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.

This might be it. The restriction is only for the southen region. If the geese are somewhere else then dropping the restriction ma not help.
Quote:
E.In the snow goose’s winter habitats, the goose faces no significant natural predation.

That's why we need to drop the restriction and hunt more geese. Strength.

The only one that sounds plausible is D for me.
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New post 29 Oct 2006, 13:05
Am going with B, what is the OA?

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New post 29 Oct 2006, 23:42
I will go for D...OA please

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New post 01 Nov 2006, 02:33
Reading again, D is clearly the answer...
:wall
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New post 01 Nov 2006, 06:18
isn't time for the OA already?

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New post 02 Nov 2006, 22:25
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.

Which of the following, if true, most seriously undermines the argument?

(A) Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.
(B) It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
(C) The number of snow geese taken by hunters each year has grown every year for several years.
(D) As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.
(E) In the snow goose’s winter habitats, the goose faces no significant natural predation.

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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 03 Nov 2006, 01:20
just posted days ago. i for D.
any oA for this question?

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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 06 Jul 2007, 19:51
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.

Which of the following, if true, most seriously undermines the argument?

A. Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.
B. It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
C. The number of snow geese taken by hunters each year has grown every year for several years.
D. As their population has increased, snow geese have re-colonized wintering grounds that they had not used for several seasons.
E. In the snow goose’s winter habitats, the goose faces no significant natural predation.


please explain with details

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New post 06 Jul 2007, 23:45
stevegt wrote:
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.

Which of the following, if true, most seriously undermines the argument?

A. Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.
B. It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
C. The number of snow geese taken by hunters each year has grown every year for several years.
D. As their population has increased, snow geese have re-colonized wintering grounds that they had not used for several seasons.
E. In the snow goose’s winter habitats, the goose faces no significant natural predation.


please explain with details

多谢



choose D.

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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 07 Jul 2007, 03:38
go for D

experience has shown that if goose population increase then they recolonazie wintering grounds they have not used.
we can conclude that if hunting cease then gooses will spread and endanger other species.

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New post 07 Jul 2007, 07:10
D it is.
The argument says that allowing hunters to kill more geese would help the other species but D says that the population of geese has spread into new areas where hunting is less probable.

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New post 07 Jul 2007, 07:30
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It should be 'D'.

We have to prove that removing the limitations on hunting will NOT reduce the population of geese.
D explains best. If geese starts recolonizing the areas, which hunters were not using, less number of geese will be hunted.

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New post 23 Oct 2011, 09:30
B

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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 19 Nov 2011, 14:14
fluke wrote:
antiant wrote:
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.

Which of the following, if true, most seriously undermines the argument?

(A) Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese.
(B) It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
(C) The number of snow geese taken by hunters each year has grown every year for several years.
(D) As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons.
(E) In the snow goose’s winter habitats, the goose faces no significant natural predation.


Good question.

"B" tells us that the hunters are not able to hunt even 5% of the snow geese population before the hunting season. Thus, lowering the restriction, or in other words, increasing the percent decrease to any value greater than 5 won't help at all.

Scenario:
100000- Snow geese available
Hunting restriction says: Can't hunt more than 5% of 100000 i.e. 5000 in the hunting season.
Fact: Hunters are not able to reach 5000 target by the close of the hunting season.

Argument: Increase the maximum number of geese that could be hunted to a value greater than 5%, say 10%. Even if the law allows the hunter to hunt 10,000 geese, it wouldn't do any good. If the hunters are not able to reach 5000 hunting target, they will definitely not reach 10,000 target. Thus, "B" undermines the argument/suggestion.

Ans: "B"


In my opinion, B may also infer that hunters are able to hunt till the restricted numbers before the scheduled date. What are your thoughts on the same.
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 23 Nov 2011, 15:13
B straight
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New post 23 Nov 2011, 18:03
It should be B.

B states that restriction has been irrelevant in the recent years. Therefore, dropping the restriction will not make a difference.

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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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New post 23 Nov 2011, 21:56
well the conclusion here is that ...... % of the more number of geese to be hunted is to be raised.

so, the counter should be something like 'no restriction in hunting but population still rising'. I think B come pretty much close to this.

' It has been many years since the restriction lead to the hunting season for snow geese being closed earlier than the scheduled date'

+1 for B.

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Re: Some species of Arctic birds are threatened by recent sharp   [#permalink] 23 Nov 2011, 21:56

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