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# Millions of female bats rear their pups

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Director
Joined: 14 Nov 2014
Posts: 660
Location: India
Schools: Rotman '20 (S)
GMAT 1: 700 Q50 V34
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Millions of female bats rear their pups  [#permalink]

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26 Aug 2017, 08:52
1
Millions of female bats rear their pups in Bracken Cave. Although the mothers all leave the cave nightly, on their return each mother is almost always swiftly reunited with her own pup. Since the bats’ calls are their only means of finding one another, and a bat pup cannot distinguish the call of its mother from that of any other adult bat, it is clear that each mother bat can recognize the call of her pup.

The argument seeks to do which one of the following?

(A) derive a general conclusion about all members of a group from facts known about representative members of that group

(B) establish the validity of one explanation for a phenomenon by excluding alternative explanations

(C) support, by describing a suitable mechanism, the hypothesis that a certain phenomenon can occur

(D) conclude that members of two groups are likely to share a certain ability because of other characteristics they share

(E) demonstrate that a general rule applies in a particular case

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Re: Millions of female bats rear their pups  [#permalink]

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26 Aug 2017, 20:12
1
sobby wrote:
Millions of female bats rear their pups in Bracken Cave. Although the mothers all leave the cave nightly, on their return each mother is almost always swiftly reunited with her own pup. Since the bats’ calls are their only means of finding one another, and a bat pup cannot distinguish the call of its mother from that of any other adult bat, it is clear that each mother bat can recognize the call of her pup.

The argument seeks to do which one of the following?

(A) derive a general conclusion about all members of a group from facts known about representative members of that group
(B) establish the validity of one explanation for a phenomenon by excluding alternative explanations
(C) support, by describing a suitable mechanism, the hypothesis that a certain phenomenon can occur
(D) conclude that members of two groups are likely to share a certain ability because of other characteristics they share
(E) demonstrate that a general rule applies in a particular case

The argument tries to explain how the mother recognizes her pup by the facts that exclude other possibilities: the mother and the pup recognize each other only by calling and the pup can't distinguish the call of the mother, then the mother must be able to recognize its pup. Answer B
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Intern
Joined: 27 Oct 2017
Posts: 8
Re: Millions of female bats rear their pups  [#permalink]

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27 Oct 2017, 06:31
Thanks for sharing the info. It was informative. I think it's E variant. Don't you think so ? If someone has suggestions, I will be glad to hear it. Otherwise, I'm the only one, who answered this question, so I might be right:)
Intern
Joined: 16 Dec 2017
Posts: 7
Re: Millions of female bats rear their pups  [#permalink]

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16 Dec 2017, 21:40
Wow this is truly fascinating. As a mother, I am unable to pick out my own child’s screams over the screams of other children. Bats are unique critters. I am feeling drawn to choice D - both mothers and babies cry

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Re: Millions of female bats rear their pups &nbs [#permalink] 16 Dec 2017, 21:40
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