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# The population of desert tortoises in Targland s Red Desert

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The population of desert tortoises in Targland s Red Desert [#permalink]

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23 Jul 2012, 19:42
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The population of desert tortoises in Targland’s Red Desert has declined, partly because they are captured for sale as pets and partly because people riding all-terrain vehicles have damaged their habitat. Targland plans to halt this population decline by blocking the current access routes into the desert and announcing new regulations to allow access only on foot. Targland’s officials predict that these measures will be adequate, since it is difficult to collect the tortoises without a vehicle. Which of the following would it be most important to establish in order to evaluate the officials’ prediction?

A. Whether possessing the tortoises as pets remains legally permissible in Targland
B. Whether Targland is able to enforce the regulations with respect to all-terrain vehicle entry at points other than the current access routes
C. Whether the Red Desert tortoises are most active during the day or at night
D. Whether people who travel on foot in the Red Desert often encounter the tortoises
E. Whether the Targland authorities held public hearings before restricting entry by vehicle into the Red Desert

[Reveal] Spoiler:
B because if there is another route people will access that and so the conclusion fails is that the reason for the answer what is wrong with D it could be possible that people who travel on foot in the Red Desert often encounter the tortoises - Strengthen who travel on foot in the Red Desert DO NOT often encounter the tortoises - weaken this could also be evaluate right where is the problem?
[Reveal] Spoiler: OA

Last edited by JarvisR on 19 Jul 2015, 03:24, edited 1 time in total.
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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23 Jul 2012, 23:41
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Hi there

There is two factor that lowers the population: habitat damage (with cars) and tortoise hunting (requires a car)

D is useless because
1/ we already know they won't be able to hunt without a car
2/ they won't be able to damage the habitats with their car

B is a better answer because if people have other ways to access with their vehicles, then the whole policy becomes useless.

Hope that helps
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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23 Jul 2012, 23:41
Hi there

There is two factor that lowers the population: habitat damage (with cars) and tortoise hunting (requires a car)

D is useless because
1/ we already know they won't be able to hunt without a car
2/ they won't be able to damage the habitats with their car

B is a better answer because if people have other ways to access with their vehicles, then the whole policy becomes useless.

Hope that helps
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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23 Jul 2012, 23:54
"........ since it is difficult to collect the tortoises without a vehicle........"
the evaluation od sucg prediction should firmly based on the vehicle entry,(B) has it.
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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25 Jul 2012, 17:17
The argument states that one factor in the decline of the turtle population is all-terrain vehicles. The plan is to block "the current access routes...". However, what if the all-terrain vehicles enter the park through the current access routes? Therefore (B) is clearly the answer.

(D), while tempting, can be discounted because of the information at the very end of the paragraph, "it is difficult to collect the tortoises without a vehicle." Therefore those walking in the park will not able to easily capture the tortoises and take them home, thereby reducing their numbers.

Hope that helps
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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25 Jul 2012, 17:23
+1 B

D is wrong because it doesn't matter whether people walking in the desert find tortoises. You need a car to collect them.
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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17 Jan 2014, 23:33
Hello from the GMAT Club VerbalBot!

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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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03 Feb 2014, 11:08
Easy though tricky question.
I marked D and got it wrong, but now I understood why B is correct.
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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31 Oct 2014, 10:34
This is a tricky question in which a word can make a difference.

B) Whether Targland is able to enforce the regulations with respect to all-terrain vehicle entry at points other than the current access routes ( Notice the words Current Access routes)

Yes : - If it can enforce regulations on other routes as well then it is possible that measures are adequate. It helps in official prediction.

No :- It destroys official prediction. If there are other access routes as well then banning one route won't help. People can go from other routes as well.

D) Question stem says that its difficult to collect the tortoises without a vehicle. But in this option it says people encouter tortoises. May be the tortoise are so heavy that people can see them but they can't carry them. So it doesn't affect the prediction. (Encounter is different from collection).

sahilchaudhary wrote:
Easy though tricky question.
I marked D and got it wrong, but now I understood why B is correct.
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Re: The population of desert tortoises in Targland s Red Desert [#permalink]

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03 Jan 2016, 09:34
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Re: The population of desert tortoises in Targland s Red Desert   [#permalink] 03 Jan 2016, 09:34
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