A seriously maladaptive trait is unlikely to persist in a : GMAT Critical Reasoning (CR)
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A seriously maladaptive trait is unlikely to persist in a

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A seriously maladaptive trait is unlikely to persist in a [#permalink]

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New post 15 Apr 2007, 02:19
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A seriously maladaptive trait is unlikely to persist in a given animal population for long, since there is enough genetic variation in populations that some members will lack the trait. Those lacking the trait will compete more successfully for the available resources. Hence these members of the population survive and reproduce at a higher rate, crowding out those with the maladaptive trait.

The proposition that those lacking a maladaptive trait will compete more successfully for the available resoures figures in the argument in which one of the following ways?

A. It expresses a view that the argument as a whole is designed to discredit.

B. It is the argument's main conclusion.

C. It is a premise of the argument.

D. It presents evidence that the argument attempts to undermine.

E. It is an intermediate conclusion of the argument

For a better learning experience I kindly ask that you post your reasoning for choosing a specific answer - thanks.

Last edited by alfyG on 15 Apr 2007, 04:55, edited 1 time in total.
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New post 15 Apr 2007, 04:38
C. It is a premise of the argument.
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New post 15 Apr 2007, 06:40
Another C
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New post 15 Apr 2007, 06:50
E looks good to me as the final and this conclusion seem to be linked with each other and there is an explanation for this given by Since ....
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Re: CR - A seriously maladaptive trait [#permalink]

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New post 15 Apr 2007, 07:28
alfyG wrote:
A seriously maladaptive trait is unlikely to persist in a given animal population for long, since there is enough genetic variation in populations that some members will lack the trait. Those lacking the trait will compete more successfully for the available resources. Hence these members of the population survive and reproduce at a higher rate, crowding out those with the maladaptive trait.

The proposition that those lacking a maladaptive trait will compete more successfully for the available resoures figures in the argument in which one of the following ways?

A. It expresses a view that the argument as a whole is designed to discredit.

B. It is the argument's main conclusion.

C. It is a premise of the argument.

D. It presents evidence that the argument attempts to undermine.

E. It is an intermediate conclusion of the argument

For a better learning experience I kindly ask that you post your reasoning for choosing a specific answer - thanks.


CONCLUSION of the argument - A seriously maladaptive trait is unlikely to persist in a given animal population for long

Why?

Since --->

1) there is enough genetic variation in populations that some members will lack the trait

&

2) Those lacking the trait will compete more successfully for the available resources

Hence(this HENCE signals an intermediate conclusion) - these members will survive and reproduce at a higher rate CROWDING out those with maladaptive traits ----> which supports or brings us to the final conclusion of the argument.

Hence C is right. It is a premise of the argument NOT an intermediate conclusion.[/i][/b]
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New post 15 Apr 2007, 07:32
OA is C
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New post 15 Apr 2007, 08:24
C it is...I thought the question was asking about the first line...even though I took the first line as the intermediate conclusion.

Good explanation saurabh...
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Re: CR - A seriously maladaptive trait [#permalink]

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New post 15 Apr 2007, 13:56
dwivedys wrote:
alfyG wrote:
A seriously maladaptive trait is unlikely to persist in a given animal population for long, since there is enough genetic variation in populations that some members will lack the trait. Those lacking the trait will compete more successfully for the available resources. Hence these members of the population survive and reproduce at a higher rate, crowding out those with the maladaptive trait.

The proposition that those lacking a maladaptive trait will compete more successfully for the available resoures figures in the argument in which one of the following ways?

A. It expresses a view that the argument as a whole is designed to discredit.

B. It is the argument's main conclusion.

C. It is a premise of the argument.

D. It presents evidence that the argument attempts to undermine.

E. It is an intermediate conclusion of the argument

For a better learning experience I kindly ask that you post your reasoning for choosing a specific answer - thanks.


CONCLUSION of the argument - A seriously maladaptive trait is unlikely to persist in a given animal population for long

Why?

Since --->

1) there is enough genetic variation in populations that some members will lack the trait

&

2) Those lacking the trait will compete more successfully for the available resources

Hence(this HENCE signals an intermediate conclusion) - these members will survive and reproduce at a higher rate CROWDING out those with maladaptive traits ----> which supports or brings us to the final conclusion of the argument.

Hence C is right. It is a premise of the argument NOT an intermediate conclusion.[/i][/b]


Nice explanation. Thanks!
Re: CR - A seriously maladaptive trait   [#permalink] 15 Apr 2007, 13:56
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