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# Some species of Arctic birds are threatened by recent sharp

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

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23 Oct 2006, 05:25
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Clear B

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

B.It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
- hunters normally do not hunt more than 5% of the population. So, removing the restriction is not going to increase the number of snow geese hunted during winter. WEAKENS the argument.

C.The number of snow geese taken by hunters each year has grown every year for several years.
- we already know that population is increasing, so number of birds constituting 5% will also have increased. Does not add anything.

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

E.In the snow gooseâ€™s winter habitats, the goose faces no significant natural predation.
- irrelevant.
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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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.

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

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29 Oct 2006, 13:05
Am going with B, what is the OA?
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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29 Oct 2006, 23:42
I will go for D...OA please
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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01 Nov 2006, 02:33

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

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01 Nov 2006, 06:18
isn't time for the OA already?
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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01 Nov 2006, 06:55
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HongHu wrote:
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.

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 gooseâ€™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.

Excellent explanation Hong Hu. You deserve every bit of the cracking you did at the GMAT. Thanks!
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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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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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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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.

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

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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.

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

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

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

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07 Jul 2007, 07:30
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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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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19 Oct 2011, 07:08
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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"
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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19 Oct 2011, 08:05
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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.

I went with B. Here is my explanation -

The argument is that the 5% restriction needs to be dropped in order for people to be able to hunt more geese, thus reducing their population. If for the last several years that 5% limit has never been reached, that means hunters aren't able to kill enough geese within the full hunting season (because the population now is so large), dropping the restriction would have no effect to the population.

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

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23 Oct 2011, 04:13
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+1 for B. Real good question.

Come to think of it, D at best will strengthen the argument. If new birds have colonized other places than where they usually winter, it should encourage government to lift the restriction on hunting limit to ensure other species' survival rate goes up.
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Re: Some species of Arctic birds are threatened by recent sharp [#permalink]

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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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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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23 Nov 2011, 13:40
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GMATmission wrote:
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.

"B" is the right answer because it undermines the argument which states that if more snow geese are hunted, the threat of displacement for the other species is lowered.
Re: Some species of Arctic birds are threatened by recent sharp   [#permalink] 23 Nov 2011, 13:40

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