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sg7007

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A LR Question
« on: May 18, 2009, 01:00:40 AM »
This is a GMAT LR question, which is nearly identical to a LSAT LR question. They say the correct answer's (B), but I think it's (D). What do you guys think the correct answer is?

Thanks in advance.

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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.

gzl

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Re: A LR Question
« Reply #1 on: May 22, 2009, 06:12:08 AM »
This is a GMAT LR question, which is nearly identical to a LSAT LR question. They say the correct answer's (B), but I think it's (D). What do you guys think the correct answer is?

Thanks in advance.

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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.

B seems like the correct response to me.  If it's been many years since the restriction affected the closing of the hunting season, then the restriction isn't having an affect on the number of snow geese killed: hunters aren't reaching the limit anyway.  Dropping the restriction then would likely have no affect.

D looks like a distractor, and is largely irrelevant.  The problem is threats to Arctic bird species, and the wintering grounds of the snow geese are in southern regions.  What does their recolonization of southern wintering grounds have to do with threats to birds in the Arctic? 

lsatbeard

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Re: A LR Question
« Reply #2 on: May 22, 2009, 12:12:55 PM »
GMAT be hardest ever.

TruckDrivinMan

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Re: A LR Question
« Reply #3 on: May 25, 2009, 09:13:50 PM »
I agree with Gonzo -- B is correct.  Remember the original argument is that dropping the 5% restriction will allow the other birds to recover.  Therefore the answer has to have something to do with that restriction and the way it affects the hunting season.  Choice D might lead to some other way to drive down the snow goose population or help the other birds, but it is irrelevant to the argument that the hunting restriction should be dropped.

catalogguy

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Re: A LR Question
« Reply #4 on: May 26, 2009, 06:58:28 PM »
I also agree, although getting there took me longer than I;d like to admit!

B says that they don't use the 5% rule anyway which implies that eliminating the rule will not affect the population of geese (or other arctic birds).

D is a nice place to go because you want to think that it says that the birds are now staying north of the hunters which would be an excellent weakener, but it doesn't specify whether the recolonization takes place in the north or in the southern areas.  If it all takes place in the southern areas, then it could be a strengthener.  So we don't know = TRAP.

JSF485

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Re: A LR Question
« Reply #5 on: May 29, 2009, 02:53:43 PM »
B