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

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18 Aug 2009, 09:18
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Question Stats:

63% (02:17) correct 38% (02:41) wrong based on 10 sessions

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Less than 50 percent of a certain tropical country's
wildlands remains intact. Efforts are under way to
restore biological diversity in that country by restor-
ing 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 effec-
tive in preserving biological diversity within
the wildlands that remain intact.
(D) For many tropical species native to that coun-
try, the tropical wildlands that are still rela-
tively 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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18 Aug 2009, 10:04
(A) As much, if not more, effort is required to restore a wild habitat as to preserve an intact habitat. - NA
(B) The opponents of restoration efforts are, for the most part, members of the wealthier classes in their own villages and cities. - NA
(C) Existing conservation laws have been very effective in preserving biological diversity within the wildlands that remain intact. - Strengthens
(D) For many tropical species native to that country, the tropical wildlands that are still relatively intact do not provide appropriate habitats for reproduction. - Weakens partially
(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. - Weakens

So it is E
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18 Aug 2009, 10:35
IMO D.

It weakens the opponents argument that there is still plenty of wildland ...
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18 Aug 2009, 11:57
gmanjesh wrote:
(A) As much, if not more, effort is required to restore a wild habitat as to preserve an intact habitat. - NA
(B) The opponents of restoration efforts are, for the most part, members of the wealthier classes in their own villages and cities. - NA
(C) Existing conservation laws have been very effective in preserving biological diversity within the wildlands that remain intact. - Strengthens
(D) For many tropical species native to that country, the tropical wildlands that are still relatively intact do not provide appropriate habitats for reproduction. - Weakens partially
(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. - Weakens

So it is E

IMO D
E does not weakens , it gives alternative way to restore the tropical habitat. it explains how restoration can be done.

what we have to weaken is the opponents argument of "no need of restoration, since we have plenty of wildland left" . so the answer must be which states, why restortion is needed and not how restoration is done. D clearly weakens by stating that the available wildland is not enough for many species, so restoration is needed
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18 Aug 2009, 12:44
One more D.
D weakens the opposition argument about why these efforts are not needed.
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18 Aug 2009, 14:21
picking D, as it suggest that the current habitat is not enough
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18 Aug 2009, 18:44
Definitely D as it weakens the argument by stating that even though there may be already intact wildlands, they are not suitable for reproduction of most native species.

D it is
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18 Aug 2009, 19:54
OA D
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18 Aug 2009, 22:43
D.

Not E because the condition for success is too restrictive since only a 'suitable' population is....
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19 Aug 2009, 00:33
sher676 wrote:
Efforts are under way to
restore biological diversity in that country by restor-
ing some destroyed wild habitats and extending
some relatively intact portions of forests.

.
(D) For many tropical species native to that coun-
try, the tropical wildlands that are still rela-
tively intact do not provide appropriate
habitats for reproduction.
.

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Please give kudos if you enjoy the explanations that I have given. Thanks

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17 Sep 2009, 09:08
sher676 can u please post the link for the 1000CR questions. I am unable to find it.. thank you so much for your help..
Re: 1000cr   [#permalink] 17 Sep 2009, 09:08
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