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The chanterelle, a type of wild mushroom, grows beneath host [#permalink]
 23 Sep 2004, 19:00
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The chanterelle, a type of wild mushroom, grows beneath host trees such as the Douglas fir, which provide it with necessary sugars. The underground filaments of chanterelles, which extract the sugars, in turn provide nutrients and water for their hosts. Because of this mutually beneficial relationship, harvesting the chanterelles growing beneath a Douglas fir seriously endangers the tree.
Which of the following, if true, casts the most doubt on the conclusion drawn above?
A) The number of wild mushrooms harvested has increased in recent years
B) Chanterelles grow not only beneath Douglas firs but also beneath other host trees
C) Many types of wild mushrooms are found only in forests and cannot easily be grown elsewhere
D) The harvesting of wild mushrooms stimulates future growth of those mushrooms
E) Young Douglas fir seedlings die without the nutrients and water provided by chanterelle filaments
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Paul
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Manager
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paul, my pick on this one is D
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Senior Manager
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D shud be it.......
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D is the only decent choice.
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Re: CR Douglas fir [#permalink]
23 Sep 2004, 20:31
D looks best
If D is new born mushrooms will help the trees while the old ones are harvested
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D.
ABC being out-of-scope, D weakens, E strengthens.
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GMAT Club Legend
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I also picked D on this one but OA is C... I'll try to think a bit further on this one. This is from an ETS paper test
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Paul
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Itz no D but C. 
And this from ETS.
Quote: C) Many types of wild mushrooms are found only in forests and cannot easily be grown elsewhere
I don't understand how C is the answer.
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510 on my first GMAT. 610 on second GMAT.!
The struggle continues.
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Director
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That is totally atrocious!
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NEWKID wrote: Itz no D but C. And this from ETS. Quote: C) Many types of wild mushrooms are found only in forests and cannot easily be grown elsewhere I don't understand how C is the answer. Where are you getting the ETS questions from? Is there a place to look for these questions?
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Which of the following, if true, casts the most doubt on the conclusion drawn above?
A) The number of wild mushrooms harvested has increased in recent years
- Useless choice
B) Chanterelles grow not only beneath Douglas firs but also beneath other host trees
- So what?
C) Many types of wild mushrooms are found only in forests and cannot easily be grown elsewhere
- So what? I suppose people won't die if they don't get chanterelles on their dinner plate ! =)
D) The harvesting of wild mushrooms stimulates future growth of those mushrooms
- Harvest chenterelles, stimulate growth of chanterelles. No danger whatsoever.
E) Young Douglas fir seedlings die without the nutrients and water provided by chanterelle filaments
- All the more we shouldn't harvest the chanterelles
There's no way I can re-concile with the fact that C is the OA.
And about the question where you get the ETS papers, I think you have to buy them 
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GMAT Club Legend
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Well, after some more thinking, I forfeit. I think OA is wrong on this one and D makes it so obvious... I'll just mark my answer as good 
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Paul
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paul, i think you are right, I cannont also match the official answer choice to argument. D shd be the answer.
Could you check a CR question titled kernland I posted a fews days ago. I am having problem understanding the answer choice. maybe i am missing something
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