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Paleontologist: About 2.8 million years ago, many species

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Paleontologist: About 2.8 million years ago, many species [#permalink] New post 19 Sep 2005, 18:55
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

67% (02:32) correct 33% (04:12) wrong based on 2 sessions
Paleontologist: About 2.8 million years ago, many species that lived near the ocean floor suffered substantial population declines. These declines coincided with the onset of an ice age. The notion that cold killed these bottom-dwelling creatures outright is misguided, however; temperatures near the ocean floor would have changed very little. Nevertheless, the cold probably did cause the population declines, though indirectly. Many bottom-dwellers depended for food on plankton, small organisms that lived close to the surface and sank to the bottom when they died. Most probably, the plankton suffered a severe population decline as a result of sharply lower temperatures at the surface, depriving many bottom-dwellers of food.

In the paleontologist's reasoning, the two portions in boldface play which of the following roles:

(A) The first introduces the hypothesis spelled out by the paleontologist; the second is a judgment offered in spelling out that hypothesis.

(B) The first introduces the hypothesis proposed by the paleontologist; the second is a position that the paleontologist opposes.

(C) The first is an explanation challenged by the paleontologist; the second is an explanation proposed by the paleontologist.

(D) The first is a judgment advanced in support of a conclusion reached by the paleontologist; the second is that conclusion.

(E) The first is a generalization put forward by the paleontologist; the second presents certain exceptional cases in which that generalization does not hold.
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 [#permalink] New post 20 Sep 2005, 00:54
C it is!
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 [#permalink] New post 20 Sep 2005, 01:00
C for me too

(A) The first introduces the hypothesis spelled out by the paleontologist; the second is a judgment offered in spelling out that hypothesis.

(B) The first introduces the hypothesis proposed by the paleontologist; the second is a position that the paleontologist opposes.

(C) The first is an explanation challenged by the paleontologist; the second is an explanation proposed by the paleontologist.

(D) The first is a judgment advanced in support of a conclusion reached by the paleontologist; the second is that conclusion.

(E) The first is a generalization put forward by the paleontologist; the second presents certain exceptional cases in which that generalization does not hold. (not sure but not precise enough for me)

Last edited by Antmavel on 20 Sep 2005, 01:02, edited 1 time in total.
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Re: CR: Paleontologist [#permalink] New post 20 Sep 2005, 01:01
coffeeloverfreak wrote:
Paleontologist: About 2.8 million years ago, many species that lived near the ocean floor suffered substantial population declines. These declines coincided with the onset of an ice age. The notion that cold killed these bottom-dwelling creatures outright is misguided, however; temperatures near the ocean floor would have changed very little. Nevertheless, the cold probably did cause the population declines, though indirectly. Many bottom-dwellers depended for food on plankton, small organisms that lived close to the surface and sank to the bottom when they died. Most probably, the plankton suffered a severe population decline as a result of sharply lower temperatures at the surface, depriving many bottom-dwellers of food.

In the paleontologist's reasoning, the two portions in boldface play which of the following roles:

Is it A

(A) The first introduces the hypothesis spelled out by the paleontologist; the second is a judgment offered in spelling out that hypothesis.

(B) The first introduces the hypothesis proposed by the paleontologist; the second is a position that the paleontologist opposes.

(C) The first is an explanation challenged by the paleontologist; the second is an explanation proposed by the paleontologist.

(D) The first is a judgment advanced in support of a conclusion reached by the paleontologist; the second is that conclusion.

(E) The first is a generalization put forward by the paleontologist; the second presents certain exceptional cases in which that generalization does not hold.
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 [#permalink] New post 20 Sep 2005, 09:00
I'm really stuck between A and C.

the cold probably did cause the population declines, though indirectly.

Doesn't this sentence represent what the author thinks? If so, why would C be correct?

Also, the "spelled out" part of choice A confuses me.

All in all, I'll go with A on this one.
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 [#permalink] New post 20 Sep 2005, 11:52
its a tough one.... i am choosing A.
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 [#permalink] New post 20 Sep 2005, 11:58
IMO clearly A
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 [#permalink] New post 20 Sep 2005, 17:19
OA is A.
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 [#permalink] New post 20 Sep 2005, 18:45
ranga41 wrote:
IMO clearly A


Ranga41, can you explain more? I'm still having trouble grasping this one.
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 [#permalink] New post 20 Sep 2005, 19:38
This is a clear A for me too!

The author challenges the fact that cold destroyed these creatures outrightly! Instead, he gives his hypothesis that cold could have killed it but indirectly - So the first part of the bold is clearly what the author proposes or introduces.

Its not B - Its not a hypothesis introduced by the paleontoligist (urgh...the spelling!)
ITs not C - Its not challenged by the P, remember P just made a statement, he did not challenge anything here
Its clearly not D
ITs not D - coz its not P's statement, its the author's statement.

The second bold part is the specific example or evidence that the author provides to prove his point. So its A

Hope this clarifies!
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 [#permalink] New post 20 Sep 2005, 19:39
hmmm... has me stumped still. Had me going for D, guess I didn't read A well enough! But I can't agree with C. Infact, the first is something the scientist agrees with and bases his hypothesis on. So, I thought both the bold phrases are judgements.
Ranga, pl. elaborate!
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 [#permalink] New post 21 Sep 2005, 05:41
popew626 wrote:
ranga41 wrote:
IMO clearly A


Ranga41, can you explain more? I'm still having trouble grasping this one.


I understand you have trouble rejecting C, but IMO C can be easily rejected because

(C) The first is an explanation challenged by the paleontologist; the second is an explanation proposed by the paleontologist

Choice C says the first bold face is an explanation challenged by the paleontologist, but I dont see any challenge in that bold face....
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  [#permalink] 21 Sep 2005, 05:41
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Paleontologist: About 2.8 million years ago, many species

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