Less than 50 percent of a certain tropical country s : GMAT Critical Reasoning (CR)
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# Less than 50 percent of a certain tropical country s

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Senior Manager
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Less than 50 percent of a certain tropical country s [#permalink]

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10 Oct 2005, 09:27
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Less than 50 percent of a certain tropical countryâ€™s wildlands remains intact. Efforts are under way to restore biological diversity in that country by restoring some destroyed wild habitats and extending some relatively intact portions of forests. However, opponents argue that these efforts are not needed because there is still plenty of wildland left.
Which of the following, if true, most significantly weakens the argument of the opponents of conservation efforts?

(A) As much, if not more, effort is required to restore a wild habitat as to preserve an intact habitat.
(B) The opponents of restoration efforts are, for the most part, members of the wealthier classes in their own villages and cities.
(C) Existing conservation laws have been very effective in preserving biological diversity within the wildlands that remain intact.
(D) For many tropical species native to that country, the tropical wildlands that are still relatively intact do not provide appropriate habitats for reproduction.
(E) If a suitable population of plants and animals is introduced and is permitted to disperse and grow, tropical habitats can most certainly be restored.
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10 Oct 2005, 10:23
D.
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10 Oct 2005, 10:25
D.
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10 Oct 2005, 15:29
I think D

Without restoration, may species may die out even when the are in the intact portion of the wildland. So the opponent's argument about plenty of wildland still left is weakened.
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10 Oct 2005, 15:42
OA -is D but I do not get it.

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11 Oct 2005, 00:02
I got D. the reason is simply

A. simply repeats the premise.
B. out of scope
C. supports the opponents.
E. supports the opponents.

So D is the only answer that weakens the opponents claim.
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11 Oct 2005, 00:22
shud be D...seems like thats the only relevant answer...

KRishna
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11 Oct 2005, 06:56
This is how I arrived at D.

The opponents argue that these efforts are not needed because there is still plenty of wildland left.

The problem is that some of the (endangered) species confined to the remaining areas cannot reproduce efficiently, if at all, and therefore require a restored piece of their native habitat to propagate.

Corporations are frequently at loggerheads with enviornmental groups over such issues.
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11 Oct 2005, 06:57
The passage can be summarize as this: Effors to restore biological diversity are being done and opponents thinks that these effores are not needed because there is still plenty of wildland left.

E and C strengthens the opponent's position, since there are other ways to achieve the same benefits. B and A are irrelevant.

D is the only choice that challenges the opponents position. If the effors weren't made, many species native to that country would die. So this is the only way to preserve them.

I hope to be useful....
11 Oct 2005, 06:57
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