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Conservationist: The population of a certain wildflower is so small th

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Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 17 Feb 2017, 08:50
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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 conservationists 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.
[Reveal] Spoiler: OA

Last edited by carcass on 17 Feb 2017, 09:14, edited 1 time in total.
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Re: Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 18 Feb 2017, 00:34
Option D is correct. If hybrids will not be able to produce. Wildflowers will totally become extinct.

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Re: Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 19 Mar 2017, 07:09
was confused between A and D , after analysis found D is better connected with conclusion than A.
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Re: Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 20 Mar 2017, 05:29
arjittak wrote:
Why not E?

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Hi,

Premise : 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.

Conclusion : 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.



Option E states that the domesticated daisy will cross-pollinate with any daisy like plant - This information is irrelevant as Premises already mention that wildflowers can cross-pollinate with a closely related daisy flower . You can eliminate this answer on the basis of this reasoning. In critical reasoning questions you should follow elimination technique .
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Re: Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 20 Mar 2017, 06:59
anje29 wrote:
arjittak wrote:
Why not E?

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Hi,

Premise : 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.

Conclusion : 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.



Option E states that the domesticated daisy will cross-pollinate with any daisy like plant - This information is irrelevant as Premises already mention that wildflowers can cross-pollinate with a closely related daisy flower . You can eliminate this answer on the basis of this reasoning. In critical reasoning questions you should follow elimination technique .


Hi Anje,

As you said in your post that premises already mention that wildflowers can cross- pollinate with a closely related daisy flower however, it does not mentioned whether Daisy flower can cross pollinate with closely related daisy flower or not.
Further, if we do negation test to option E , it will clearly weaken the argument.
Thus making it most appropriate underlying assumption.

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Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 20 Mar 2017, 08:39
arjittak wrote:
anje29 wrote:
arjittak wrote:
Why not E?

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Hi,

Premise : 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.

Conclusion : 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.




Option E states that the domesticated daisy will cross-pollinate with any daisy like plant - This information is irrelevant as Premises already mention that wildflowers can cross-pollinate with a closely related daisy flower . You can eliminate this answer on the basis of this reasoning. In critical reasoning questions you should follow elimination technique .


Hi Anje,

As you said in your post that premises already mention that wildflowers can cross- pollinate with a closely related daisy flower however, it does not mentioned whether Daisy flower can cross pollinate with closely related daisy flower or not.
Further, if we do negation test to option E , it will clearly weaken the argument.
Thus making it most appropriate underlying assumption.

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Hi,
Lets say a hybrid can be made by mixing A with B is same as saying hybrid can be made by mixing B with A . It is clearly mentioned in premise that wildflower cross pollinated and produced viable seeds ( It is a fact mentioned in the premises ). And moreover the assumption will not be that daisy can cross pollinate with any daisy like plant. It has no impact on conclusion.

The conclusion said by doing hybridization wildflower can be saved , now we have to support this point accepting the fact mentioned in premise as true . However we have to help the conclusion by adding missing assumption of the author ( though wildflower can cross pollinate with daisy but to increase the number of hybrid wild flower , will hybrid wild flowers will be able to reproduce ? )

The prethinking here would be : the hybrid will be able to reproduce further otherwise the claim that wildflower extinction can be stopped will be weaken.

Fact in premises will always be true . You can not doubt the facts mentioned in the premises but you can suspect the reasoning in the premises ( only in second and third family type questions ). Focus on conclusion .

Happy Learning
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Re: Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 20 Mar 2017, 09:47
anje29 wrote:
arjittak wrote:
anje29 wrote:
[quote="arjittak"]Why not E?

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Hi,

Premise : 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.

Conclusion : 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.




Option E states that the domesticated daisy will cross-pollinate with any daisy like plant - This information is irrelevant as Premises already mention that wildflowers can cross-pollinate with a closely related daisy flower . You can eliminate this answer on the basis of this reasoning. In critical reasoning questions you should follow elimination technique .


Hi Anje,

As you said in your post that premises already mention that wildflowers can cross- pollinate with a closely related daisy flower however, it does not mentioned whether Daisy flower can cross pollinate with closely related daisy flower or not.
Further, if we do negation test to option E , it will clearly weaken the argument.
Thus making it most appropriate underlying assumption.

Sent from my A0001 using GMAT Club Forum mobile app


Hi,
Lets say a hybrid can be made by mixing A with B is same as saying hybrid can be made by mixing B with A . It is clearly mentioned in premise that wildflower cross pollinated and produced viable seeds ( It is a fact mentioned in the premises ). And moreover the assumption will not be that daisy can cross pollinate with any daisy like plant. It has no impact on conclusion.

The conclusion said by doing hybridization wildflower can be saved , now we have to support this point accepting the fact mentioned in premise as true . However we have to help the conclusion by adding missing assumption of the author ( though wildflower can cross pollinate with daisy but to increase the number of hybrid wild flower , will hybrid wild flowers will be able to reproduce ? )

The prethinking here would be : the hybrid will be able to reproduce further otherwise the claim that wildflower extinction can be stopped will be weaken.

Fact in premises will always be true . You can not doubt the facts mentioned in the premises but you can suspect the reasoning in the premises ( only in second and third family type questions ). Focus on conclusion .

Happy Learning [/quote]
I got it..thanks for taking time.

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Re: Conservationist: The population of a certain wildflower is so small th [#permalink]

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New post 20 Sep 2017, 09:19
this question is interesting, indeed.
The passage looks unintelligible first, the argument structure turns out to be simple.

Options contain familiar patterns. For example, E does not give new information to evaluate the conclusion, and E is too extreme b/c of "any"
B is a common pattern that strengthens the conclusion.
D is the common pattern in assumption.

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Re: Conservationist: The population of a certain wildflower is so small th   [#permalink] 20 Sep 2017, 09:19
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