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# Learning how to build a nest plays an important part in the

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Manager
Joined: 06 Jul 2005
Posts: 119
Location: Bangalore, India
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Learning how to build a nest plays an important part in the [#permalink]  12 Oct 2005, 08:59
00:00

Difficulty:

5% (low)

Question Stats:

60% (02:02) correct 40% (02:06) wrong based on 30 sessions
Learning how to build a nest plays an important part in the breeding success of birds. For example, Dr. Snow has recorded the success of a number of blackbirds in several successive years. He finds that birds nesting for the first time are less successful in breeding than are older birds, and also less successful than they themselves are a year later. This cannot be a mere matter of size and strength, since blackbirds, like the great majority of birds, are fully grown when they leave the nest. it is difficult to avoid the conclusion that they benefit by their nesting experience.

Which one of the following, if true, would most weaken the argument?
(A) Blackbirds build better nests than other birds.
(B) The capacity of blackbirds to lay viable eggs increases with each successive trial during the first few years of reproduction.
(C) The breeding success of birds nesting for the second time is greater than that of birds nesting for the first time.
(D) Smaller and weaker blackbirds breed just as successfully as bigger and stronger blackbirds. Page 17/17 Edited by Simongz
LSAT 逻辑阅读第二套
(E) Up to 25 percent of all birds are killed by predators before they start to nest.
VP
Joined: 22 Aug 2005
Posts: 1128
Location: CA
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Kudos [?]: 15 [0], given: 0

B.
C repeats premise.
Director
Joined: 21 Aug 2005
Posts: 800
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Kudos [?]: 3 [0], given: 0

Agree with Duttsit. B.
The argument says 'nesting plays an important part in the breeding success of birds'
B implies that every year the chances of success improves. Doesn't relate this success to nesting.
Director
Joined: 15 Aug 2005
Posts: 804
Location: Singapore
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B it is. We just did this one!
_________________

Cheers, Rahul.

VP
Joined: 13 Jun 2004
Posts: 1125
Location: London, UK
Schools: Tuck'08
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Kudos [?]: 19 [0], given: 0

B too
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5099
Location: Singapore
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B is the best choice. It suggests that experience is not the cause for improved success rate, but simply an act of nature.
Manager
Joined: 06 Jul 2005
Posts: 119
Location: Bangalore, India
Followers: 1

Kudos [?]: 4 [0], given: 0

OA is B. thanx for the replies!!
Senior Manager
Joined: 11 May 2004
Posts: 461
Location: New York
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Re: CR- Build a nest [#permalink]  13 Oct 2005, 05:44
Definetly B.

We just need another reason why the breeding pattern may be different.

rahuluec wrote:
Learning how to build a nest plays an important part in the breeding success of birds. For example, Dr. Snow has recorded the success of a number of blackbirds in several successive years. He finds that birds nesting for the first time are less successful in breeding than are older birds, and also less successful than they themselves are a year later. This cannot be a mere matter of size and strength, since blackbirds, like the great majority of birds, are fully grown when they leave the nest. it is difficult to avoid the conclusion that they benefit by their nesting experience.

Which one of the following, if true, would most weaken the argument?
(A) Blackbirds build better nests than other birds.
(B) The capacity of blackbirds to lay viable eggs increases with each successive trial during the first few years of reproduction.
(C) The breeding success of birds nesting for the second time is greater than that of birds nesting for the first time.
(D) Smaller and weaker blackbirds breed just as successfully as bigger and stronger blackbirds. Page 17/17 Edited by Simongz
LSAT 逻辑阅读第二套
(E) Up to 25 percent of all birds are killed by predators before they start to nest.
Intern
Joined: 17 Jun 2008
Posts: 7
Followers: 0

Kudos [?]: 0 [0], given: 1

Re: CR- Build a nest [#permalink]  08 Mar 2011, 18:43
POE...C
Senior Manager
Joined: 09 Feb 2011
Posts: 285
Concentration: General Management, Social Entrepreneurship
Schools: HBS '14 (A)
GMAT 1: 770 Q50 V47
Followers: 10

Kudos [?]: 110 [0], given: 10

Re: CR- Build a nest [#permalink]  08 Mar 2011, 20:08
C Repeats/supports, and others are irrelevant. B is the right choice.
Re: CR- Build a nest   [#permalink] 08 Mar 2011, 20:08
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