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# The chanterelle, a type of wild mushroom, grows beneath host

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Manager
Joined: 25 Aug 2004
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Location: MONTREAL
The chanterelle, a type of wild mushroom, grows beneath host [#permalink]

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11 Jan 2005, 21:23
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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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Intern
Joined: 05 Jan 2005
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Location: India
CR- The Chanterelle and the Douglas Fir [#permalink]

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16 Jan 2005, 03:21
C as others are supporting the conclusion. the conclusion is not to grow the chantrelle under the Douglas Fir tree. [/img]

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Intern
Joined: 12 Dec 2004
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22 Jan 2005, 08:11
Concusion drawn in the argument: harvesting the chanterelles growing beneath a Douglas fir seriously endangers the tree.

Question: Which if true casts the most doubt on the conclusion drawn above?

Only E states that young Douglas fir trees will die without the nutrients. The conclusion says the opposite - so choice E should be the one casting doubts on the conclusion drawn.

What is OA?

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Director
Joined: 21 Sep 2004
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22 Jan 2005, 09:09
conclusion: harvesting of mushrooms endangers...

premises:The underground filaments of chanterelles, which extract the sugars, in turn provide nutrients and water for their hosts and is beneficial..
which in turns the more mushrooms the merrier..

which choices state the increase of mushrooms?

D..

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Senior Manager
Joined: 30 Dec 2004
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Location: California

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25 Jan 2005, 13:13
D...is my final answer...If more mushrooms grow then thats better for the tree.
_________________

"No! Try not. Do. Or do not. There is no try.

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Intern
Joined: 09 Nov 2004
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25 Jan 2005, 13:24
I'll go with E.
Its the only choice which says that the growth of mushrooms doesn't endanger tree growth but would help trees to grow more.
Whats OA?
sleek

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Director
Joined: 05 Jul 2004
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29 Jan 2005, 18:46
(E)? agree with sleek04

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29 Jan 2005, 18:46
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# The chanterelle, a type of wild mushroom, grows beneath host

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