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Conservationist: The population of a certain wildflower is

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Conservationist: The population of a certain wildflower is [#permalink] New post 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 wildflower’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 conservationist’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 wildflower’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.

* Please try to refute close answer choices
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 [#permalink] New post 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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 [#permalink] New post 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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 [#permalink] New post 19 Sep 2004, 03:07
D it is. E is explicitly stated in the second sentence
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Re: CR Wildflower Conservation [#permalink] New post 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 wildflower’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 conservationist’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 wildflower’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.

* Please try to refute close answer choices

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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Re: CR Wildflower Conservation [#permalink] New post 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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Re: CR Wildflower Conservation [#permalink] New post 25 Jun 2010, 01:12
D for me.
OA?
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Re: CR Wildflower Conservation [#permalink] New post 26 Jun 2010, 06:02
D .
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Re: CR Wildflower Conservation [#permalink] New post 28 Jun 2010, 19:29
IMO D
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Re: CR Wildflower Conservation [#permalink] New post 30 Jun 2010, 17:28
D for me.
Re: CR Wildflower Conservation   [#permalink] 30 Jun 2010, 17:28
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