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# Capuchin monkeys often rub their bodies with a certain type

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Manager
Joined: 30 Mar 2007
Posts: 177

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Capuchin monkeys often rub their bodies with a certain type [#permalink]

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02 Jun 2007, 09:07
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Capuchin monkeys often rub their bodies with a certain type of millipede. Laboratory tests show that secretions from the bodies of these millipedes are rich in two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins. Some scientists hypothesize that the monkeys 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 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 their 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 secretions of the millipedes are carcinogenic for humans but do not appear to be carcinogenic for capuchins.

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Senior Manager
Joined: 22 Jun 2006
Posts: 282

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monkeys [#permalink]

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02 Jun 2007, 09:39
confused...can somebody help answer this

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Senior Manager
Joined: 04 Nov 2006
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Location: California

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02 Jun 2007, 14:30
C is the answer..

it lays out a situation where capuchins use the millipede.. and relate it with the abundance of mosquitoes during the same time...

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Manager
Joined: 26 Feb 2007
Posts: 110

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02 Jun 2007, 17:55
C.

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02 Jun 2007, 17:55
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# Capuchin monkeys often rub their bodies with a certain type

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