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Unlike other arachnids, which have their nerve cells evenly

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Unlike other arachnids, which have their nerve cells evenly [#permalink] New post 07 Feb 2008, 08:53
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A
B
C
D
E

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Unlike other arachnids, which have their nerve cells evenly distributed along their bodies, the scorpion's nerve cells are clustered in its head, like a mammal's.

A) keep as is
B) bodies, the scorpion's head has a cluster of nerve cells, as a mammal does
C) body, the scorpion has a cluster of nerve cells in its head, as a mammal does
D) body, nerve cells are clustered in the scorpion's head, like a mammal's
E) body, a cluster of nerve cells is in the scorpion's head, like a mammal's

Please explain in detail. thanks!
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 09:02
C it is.

It is a case of comparision.

"Unlike other arachnids" implies that we are comparing one type of arachnid with the class of arachnids.

Choice C is the only one that properly compares arachnids with the scorpion.

all the other choices improperly compare with "scorpion's nerve cells"(A); "scorpion's head"(B); nerve cells"(D); "a cluster of nerve cells"(E)
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 09:06
Is the OA C?

A) keep as is
incorrect comparison between other arachnids and scorpion's nerve cells
B) bodies, the scorpion's head has a cluster of nerve cells, as a mammal does
incorrect comparison between other arachnids and scorpion's head
C) body, the scorpion has a cluster of nerve cells in its head, as a mammal does
correct comparison between other arachnids and scorpion
D) body, nerve cells are clustered in the scorpion's head, like a mammal's
incorrect comparison between other arachnids and nerve cells
E) body, a cluster of nerve cells is in the scorpion's head, like a mammal's
incorrect comparison between other arachnids and a cluster of nerve cells
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 09:12
sonibubu wrote:
Unlike other arachnids, which have their nerve cells evenly distributed along their bodies, the scorpion's nerve cells are clustered in its head, like a mammal's.

A) keep as is
B) bodies, the scorpion's head has a cluster of nerve cells, as a mammal does
C) body, the scorpion has a cluster of nerve cells in its head, as a mammal does
D) body, nerve cells are clustered in the scorpion's head, like a mammal's
E) body, a cluster of nerve cells is in the scorpion's head, like a mammal's

Please explain in detail. thanks!


I also get C.

Arachnids is overall one group should be body instead of bodies. That rules out A and B. To me the ending in D and E seem very akward.
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 09:52
OA is C.

Why is it not bodies instead of body? We're talking about arachnids (plural).
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 11:22
it must be c. we should look at what is being compared; here we want to compared arachnids, so we must compare arachnids and scorpions. Only C offers this as the other choices compare arachnids and scorpion cells, etc.
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 14:21
sonibubu wrote:
OA is C.

Why is it not bodies instead of body? We're talking about arachnids (plural).


Because you are talking about a group in general.

A group of people is coming tonight. (the group as a unit is pursuing a goal) (got this ex from englishforums)
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 14:35
(C)

The question starts with an implied/underlying sentence of: "Other arachnids have their nerve cells evenly distributed along their bodies." So to make things comparable we need a similar sentence structure: "The scorpion has a cluster of nerve cells in its head." Note that the other choices have either "nerve cells" or "head" as the object, which cannot be compared to "other arachnids". So (C) it is.
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Re: SC - scorpion [#permalink] New post 07 Feb 2008, 23:52
Sentence has comparison issue.

A) bodies, the scorpion's nerve cells are clustered in its head, like a mammal's. (Comparing other arachnids vs. the scorpion's nerve cells – eliminate it)

B) bodies, the scorpion's head has a cluster of nerve cells, as a mammal does(Comparing other arachnids vs. the scorpion's head – eliminate it)

C) body, the scorpion has a cluster of nerve cells in its head, as a mammal does (Hold it)

D) body, nerve cells are clustered in the scorpion's head, like a mammal's (Comparing other arachnids vs. nerve cells – eliminate it)

E) body, a cluster of nerve cells is in the scorpion's head, like a mammal's (Comparing other arachnids vs. a cluster of nerve cells – eliminate it)

Answer: C
Re: SC - scorpion   [#permalink] 07 Feb 2008, 23:52
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