Male bowerbirds construct elaborately decorated nests, or : GMAT Critical Reasoning (CR)
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# Male bowerbirds construct elaborately decorated nests, or

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Male bowerbirds construct elaborately decorated nests, or [#permalink]

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27 Apr 2008, 15:43
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Male bowerbirds construct elaborately decorated nests, or bowers. Basing their judgment on the fact that different local populations of bowerbirds of the same species build bowers that exhibit different building and decorative styles, researchers have concluded that the bowerbirdsâ€™ building styles are a culturally acquired, rather than a genetically transmitted, trait.

Which of the following, if true, would most strengthen the conclusion drawn by the researchers?

A. There are more common characteristics than there are differences among the bowerbuilding styles of the local bowerbird population that has been studied most extensively.
B. Young male bowerbirds are inept at bowerbuilding and apparently spend years watching their elders before becoming accomplished in the local bower style.
C. The bowers of one species of bowerbird lack the towers and ornamentation characteristic of the bowers of most other species of bowerbird.
D. Bowerbirds are found only in New Guinea and Australia, where local populations of the birds apparently seldom have contact with one another.
E. It is well known that the song dialects of some songbirds are learned rather than transmitted genetically.
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Re: GMATPrep: bowerbirds [#permalink]

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27 Apr 2008, 15:45
Straight B. If bowerbuilding is learnt by observing elders it has to be cultural.
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Re: GMATPrep: bowerbirds [#permalink]

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30 Aug 2009, 10:36
OA is B.

¿What's wrong with D?
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Re: GMATPrep: bowerbirds [#permalink]

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01 Oct 2009, 09:35
D does not say anything about the styles of the local populations...
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Re: GMATPrep: bowerbirds [#permalink]

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04 Oct 2009, 21:39
B, best support that it is acuired culturally.
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Re: Male bowerbirds construct elaborately decorated nests, or [#permalink]

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05 Dec 2012, 05:39
I also get the right answer . however I have a question.

normally we prethink an assumption then find a strengthener in the answer choices. This strengthener is along the line with the prethought assumption.

how to apply that process in this question. how to prethink an assumption and find the correct answer for this question. pls, explain.
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Re: Male bowerbirds construct elaborately decorated nests, or [#permalink]

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05 Dec 2012, 07:24
Hi Thang,

Having also looked at the answer, so it makes the question easier. The assumption that has to be made is something that would undermine something being 'genetic' - so something genetic is done automatically. Cultural you have to observe/be taught so something like that will be right.

That works here with B

James
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Re: Male bowerbirds construct elaborately decorated nests, or [#permalink]

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05 Jun 2015, 13:57
Hello from the GMAT Club VerbalBot!

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Re: Male bowerbirds construct elaborately decorated nests, or [#permalink]

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31 Jul 2015, 02:01
A: This would actually weaken the conclusion drawn by the researchers.
B: This would most strengthen the conclusion drawn by the researchers
C: This compares different type of species of bowerbirds making it difficult to strengthen the conclusion drawn by the researchers
D: Says nothing about the building styles
E: Out of scope
Re: Male bowerbirds construct elaborately decorated nests, or   [#permalink] 31 Jul 2015, 02:01
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# Male bowerbirds construct elaborately decorated nests, or

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