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Help me!!!

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Help me!!! [#permalink]

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New post 20 Sep 2008, 22:39
Capuchin monkeys often rub their bodies with certain type of millipede. Laboratory tests show that secretions from the bodies of these millipedes are rich into two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins. Some scientists hypothesize that the monkey rub their bodies with the millipedes because doing so helps protect them from mosquitoes.

Which of the following, if true, provides the most support for the scientists' hypothesis?

A. A single millipede often gets passed around among several capuchins, all of whom rub their bodies with it.

B. The two chemicals that repel mosquitoes also repel several other varieties of insects.

C. The capuchins rarely rub their bodies with the millipedes except during the rainy season, when mosquito populations are at the peak.

D. Although the capuchins eat several species of insects, they do not eat the type of millipede they use to rub their bodies.

E. The two-insect-repelling chemicals in the secretion of the millipedes are carcinogenic for humans but do not appear to be carcinogenic for capuchins.

I chose C, but the correct one I referred is E. I don't understand clearly. May any one help me to explain this?

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New post 20 Sep 2008, 23:08
I choose C as my answer. If i'm correct, then i'll be more than happy to provide my detailed explanation to this question.
regards,

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New post 20 Sep 2008, 23:21
anngoc wrote:
Capuchin monkeys often rub their bodies with certain type of millipede. Laboratory tests show that secretions from the bodies of these millipedes are rich into two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins. Some scientists hypothesize that the monkey rub their bodies with the millipedes because doing so helps protect them from mosquitoes.

Which of the following, if true, provides the most support for the scientists' hypothesis?

A. A single millipede often gets passed around among several capuchins, all of whom rub their bodies with it.

B. The two chemicals that repel mosquitoes also repel several other varieties of insects.

C. The capuchins rarely rub their bodies with the millipedes except during the rainy season, when mosquito populations are at the peak.

D. Although the capuchins eat several species of insects, they do not eat the type of millipede they use to rub their bodies.

E. The two-insect-repelling chemicals in the secretion of the millipedes are carcinogenic for humans but do not appear to be carcinogenic for capuchins.

I chose C, but the correct one I referred is E. I don't understand clearly. May any one help me to explain this?


C must be right. E seems out of scope.
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New post 21 Sep 2008, 01:56
IMO C

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New post 21 Sep 2008, 11:40
anngoc wrote:
Capuchin monkeys often rub their bodies with certain type of millipede. Laboratory tests show that secretions from the bodies of these millipedes are rich into two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins. Some scientists hypothesize that the monkey rub their bodies with the millipedes because doing so helps protect them from mosquitoes.

Which of the following, if true, provides the most support for the scientists' hypothesis?

A. A single millipede often gets passed around among several capuchins, all of whom rub their bodies with it.

B. The two chemicals that repel mosquitoes also repel several other varieties of insects.

C. The capuchins rarely rub their bodies with the millipedes except during the rainy season, when mosquito populations are at the peak.

D. Although the capuchins eat several species of insects, they do not eat the type of millipede they use to rub their bodies.

E. The two-insect-repelling chemicals in the secretion of the millipedes are carcinogenic for humans but do not appear to be carcinogenic for capuchins.

I chose C, but the correct one I referred is E. I don't understand clearly. May any one help me to explain this?


C is correct answer E is out of scope

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New post 21 Sep 2008, 12:00
IMO C

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New post 21 Sep 2008, 20:48
Thank everybody!!

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New post 22 Sep 2008, 04:14
anngoc wrote:
Thank everybody!!


thank you too, but what's the OA? lol...

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New post 22 Sep 2008, 05:53
tarek99 wrote:
anngoc wrote:
Thank everybody!!


thank you too, but what's the OA? lol...


OA is E

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New post 22 Sep 2008, 06:59
anngoc wrote:
tarek99 wrote:
anngoc wrote:
Thank everybody!!


thank you too, but what's the OA? lol...


OA is E


where is the OA from?
This seems a bit shady IMO is also C.
can we all be wrong?

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New post 22 Sep 2008, 07:11
anngoc wrote:
tarek99 wrote:
anngoc wrote:
Thank everybody!!


thank you too, but what's the OA? lol...


OA is E


Does the source(what is it btw) also have explanation ?
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Re: Help me!!!   [#permalink] 22 Sep 2008, 07:11
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