Conservationist: The population of a certain wildflower is : GMAT Critical Reasoning (CR)
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# Conservationist: The population of a certain wildflower is

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Manager
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Conservationist: The population of a certain wildflower is [#permalink]

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18 Sep 2004, 18:57
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Conservationist: The population of a certain wildflower is so small that the species is headed for extinction. However, this wildflower can cross-pollinate with a closely related domesticated daisy, producing viable seeds. Such cross-pollination could result in a significant population of wildflower-daisy hybrids. The daisy should therefore be introduced into the wildflowerâ€™s range, since although the hybrid would differ markedly from the wildflower, hybridization is the only means of preventing total loss of the wildflower in its range.

Which one of the following is an assumption on which the conservationistâ€™s reasoning depends?

(A) The wildflower currently reproduces only by forming seeds.
(B) The domesticated daisy was bred from wild plants that once grew in the wildflowerâ€™s range.
(C) Increasing the population of the wildflower will also expand its range.
(D) Wildflower-daisy hybrids will be able to reproduce.
(E) The domesticated daisy will cross-pollinate with any daisy like plant.

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18 Sep 2004, 20:19
I think D - by negation.
A- does it matter?
B - so what?
C- out of scope
E- Is 'certain-wildflower' a daisy like plant? The evidence already indicates that they cross pollinate - what's the doubt here?

The issue is the concern that the wildflower population is depleting. By doing this cross pollination it may help revive the population. But is this sustainable? If assumption in D is true - it looks ok.

Let me know what the OA is. I have been off CR's lately.
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18 Sep 2004, 20:26
I will go for E. If you negate E (The domesticated daisy will NOT cross-pollinate with any daisy like plant) then the argument that "Such cross-pollination could result in a significant population of wildflower-daisy hybrids" falls apart.
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19 Sep 2004, 03:07
D it is. E is explicitly stated in the second sentence
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14 May 2010, 21:00
drdas wrote:
Conservationist: The population of a certain wildflower is so small that the species is headed for extinction. However, this wildflower can cross-pollinate with a closely related domesticated daisy, producing viable seeds. Such cross-pollination could result in a significant population of wildflower-daisy hybrids. The daisy should therefore be introduced into the wildflowerâ€™s range, since although the hybrid would differ markedly from the wildflower, hybridization is the only means of preventing total loss of the wildflower in its range.

Which one of the following is an assumption on which the conservationistâ€™s reasoning depends?

(A) The wildflower currently reproduces only by forming seeds.
(B) The domesticated daisy was bred from wild plants that once grew in the wildflowerâ€™s range.
(C) Increasing the population of the wildflower will also expand its range.
(D) Wildflower-daisy hybrids will be able to reproduce.
(E) The domesticated daisy will cross-pollinate with any daisy like plant.

I don't understand why not A, although I also think E is right.
If the wildflower currently reproduces NOT only by forming seeds, there should be other means to increase its population while not altering the breed, then the argument hybridization is the only means is weakend.
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14 May 2010, 21:18
apprivoise wrote:
I don't understand why not A, although I also think E is right.
If the wildflower currently reproduces NOT only by forming seeds, there should be other means to increase its population while not altering the breed, then the argument hybridization is the only means is weakend.

Just because their may be other ways to reproduce, doesn't mean there is an increased chance of reproducing without hybridization. No matter what ways the current wildflower is reproducing, the statement says that currently it "is headed for extinction." How it reproduces currently has nothing to do with the reasoning.
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25 Jun 2010, 01:12
D for me.
OA?
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26 Jun 2010, 06:02
D .
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28 Jun 2010, 19:29
IMO D
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30 Jun 2010, 17:28
D for me.
Re: CR Wildflower Conservation   [#permalink] 30 Jun 2010, 17:28
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