Reptiles, by drawing their body heat directly from the Sun : GMAT Sentence Correction (SC)
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# Reptiles, by drawing their body heat directly from the Sun

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Reptiles, by drawing their body heat directly from the Sun [#permalink]

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14 Dec 2005, 02:02
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Reptiles, by drawing their body heat directly from the Sun rather than burning calories to generate it, can survive on ten percent of the nourishment that a mammal of similar size would normally require

A) rather than burning calories to generate it
B) rather than the generation of body heat by burning calories
C) and not from generating it by burning calories
D) instead of by burning calories for generating it
E) instead of body heat generated by burning calories
[Reveal] Spoiler: OA

Last edited by bb on 30 Jul 2013, 09:36, edited 2 times in total.
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14 Dec 2005, 07:03
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ETS SC RULE #1: VIRTUALLY ALWAYS CHOOSE RATHER THAN OVER INSTEAD OF UNLESS THE FORMER IS A GRAMMATICAL NIGHTMARE. This pattern has about a 99% accuracy rate.

(A)
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09 Oct 2006, 22:35
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Matrix02 wrote:
D for parallelism - by drawing...by burning.

Be careful. "instead of" for comparing nouns and "rather than" for comparing actions. Kaplan 800 actually does a good job of explaining this usage.
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Re: Reptiles, by drawing their body heat directly from the Sun [#permalink]

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03 Mar 2013, 21:07
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Sachin9 wrote:
mvamsee wrote:
Hi,
The OA is A. Source is GMAT software question pack 1.

Can we have an expert explanation? I realize that the question is testing parallelism, but am having hard time understanding what parts of speech are parallel.

Thank You,

Experts kindly help here. .

don't really understand the differences between instead, rather than in this example. .

Responding to a pm:

Parallel Structure: Look at the structure of the sentence.

Reptiles, by doing A rather than doing B, can survive on ...

'doing A' and 'doing B' should be parallel.

drawing their body heat directly from the Sun rather than burning calories to generate it - 'drawing' needs 'burning'

'burn calories to generate heat' is the correct usage. You do 'this' to get 'that' result.
'burn calories for generating heat' is not.

'rather than' shows preference. 'instead of' means 'in stead of' i.e. 'in place of' and doesn't show preference.

He came to my party instead of his wife. - His wife was supposed to come but she couldn't so he came instead.

I would like to invite her rather than her husband. - Only person per couple will be invited and I would like to invite her, not her husband.

Here, reptiles prefer to get the heat directly from the Sun and hence, can survive on little nutrition. So 'rather than' is fine. In fact, even 'instead of' is not incorrect. Hence, even though some options use 'rather than' and some use 'instead of', the choice between these two is not your decision point.
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14 Dec 2005, 09:26
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A.

rather than... always look for ||ism.

D would have been better, IMO, except for : for generating
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14 Dec 2005, 04:15
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It's between 'A' & 'D'

I would click on 'D'.

From the senetence meaning, I think we need 'instead of' & 'D' appears to maintain the llism & continuation of the sentence.
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14 Dec 2005, 08:47
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A is my choice.

rather than is always better than instead of
Moreover, A maintains the parallelism.
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10 Oct 2006, 05:30
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GMATT73 wrote:
Matrix02 wrote:
D for parallelism - by drawing...by burning.

Be careful. "instead of" for comparing nouns and "rather than" for comparing actions. Kaplan 800 actually does a good job of explaining this usage.

Thanks Matt this is good to know...would the below be correct examples of this rule?

1)Mary, instead of John, will be the captain of the tennis team.
2)He preferred to ski rather than walk down the mountain.

Thanks
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Reptiles, by drawing their body heat directly from the Sun [#permalink]

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10 Feb 2013, 06:06
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Reptiles, by drawing their body heat directly from the Sun rather than burning calories to generate it, can survive on ten percent of the nourishment that a mammal of similar size would normally require

A) rather than burning calories to generate it
B) rather than the generation of body heat by burning calories
C) and not from generating it by burning calories
D) instead of by burning calories for generating it
E) instead of body heat generated by burning calories

Could someone explain the usage of rather than and instead of. I chose E.

I see a redundancy error in E. But if that error is eliminated can i choose E?
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Re: Reptiles, by drawing their body heat directly from the Sun [#permalink]

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11 Feb 2013, 04:21
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rajathpanta wrote:
Could someone explain the usage of rather than and instead of. I chose E.

"rather than" expresses a preference, whereas "instead of" expresses replacement

Moreover the "of" in instead of is a preposition, so "instead of" should always be followed by a noun, whereas "rather than" is used to compare nouns and verbs, so you can use nouns and verbs after rather than. In GMAT 'rather than' construction is more likely to be correct. If at all you have to guess, then guess the one with rather than in it.

e.g. I would prefer to go to school rather than sit idle at home

I wanted to play football instead of hockey.

rajathpanta wrote:
I see a redundancy error in E. But if that error is eliminated can i choose E?

I guess you mean to say that if we change (E) to-- instead of burning calories to generate it

Now there is not much difference b/w A and E apart from a slight contextual meaning difference. In A reptiles prefer one thing over another and in E reptiles replaced or chose one thing over another. You will never see such close answer choices in the GMAT. Any of these answer choices could be correct, but from the context it looks more likely that the reptiles prefer one thing over another.

Hope that helps,

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Re: Reptiles, by drawing their body heat directly from the Sun [#permalink]

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08 May 2013, 09:38
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"It" is ambiguous in option A. But option A is best out of all 5 options as other options got errors (not just ambiguity). Thus option A is correct answer.
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14 Dec 2005, 03:24
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Will go with E

IMO "rathar than" is used when choice is there. " I will prefer to take GMAT in 2006 rathar than 2005"
"instead of" is used when replaced. " I preferred to take GMAT in 2005 instead of 2004"
Please correct me if I am wrong.

Between D and E, I prefer D because of "body heat directly from the Sun" and "body heat generated by burning calories". This shows "product (body heat) from source (Sun or burning calories)" in both cases.
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14 Dec 2005, 05:28
A has to be the one. D cant be because "instead of by" is unindiomatic.
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14 Dec 2005, 09:10
A

I agree with the comments about "rather than". My second choice here would be D.
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Reptiles, by drawing their body heat directly from the Sun [#permalink]

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09 Oct 2006, 12:30
Reptiles, by drawing their body heat directly from the Sun rather than burning calories to generate it, can survive on ten percent of the nourishment that a mammal of similar size would normally require
A: rather than burning calories to generate it
B: rather than the generation of body heat by burning calories
C: and not from generating it by burning calories
D: instead of by burning calories for generating it
E: instead of body heat generated by burning calories
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09 Oct 2006, 12:38
A
B - too wordy
C - and - not appropriate (2nd best)
D and E are not appropriate either.
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10 Oct 2006, 06:01
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Matrix02 wrote:
GMATT73 wrote:
Matrix02 wrote:
D for parallelism - by drawing...by burning.

Be careful. "instead of" for comparing nouns and "rather than" for comparing actions. Kaplan 800 actually does a good job of explaining this usage.

Thanks Matt this is good to know...would the below be correct examples of this rule?

1)Mary, instead of John, will be the captain of the tennis team.
2)He preferred to ski rather than walk down the mountain.

Thanks

Good demonstration of applied knowledge Matrix. Now you know what to look out for on these types of SCs.
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10 Oct 2006, 06:28
Agree on A ...good tip, Matt
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10 Oct 2006, 07:00
GMATT73 wrote:
Matrix02 wrote:
GMATT73 wrote:
Matrix02 wrote:
D for parallelism - by drawing...by burning.

Be careful. "instead of" for comparing nouns and "rather than" for comparing actions. Kaplan 800 actually does a good job of explaining this usage.

Thanks Matt this is good to know...would the below be correct examples of this rule?

1)Mary, instead of John, will be the captain of the tennis team.
2)He preferred to ski rather than walk down the mountain.

Thanks

Good demonstration of applied knowledge Matrix. Now you know what to look out for on these types of SCs.

We are blessed to have you here .... It's a nice explanation. I did see in the Kaplan text.

For parallelism I would prefer B though it's wordy

By ... By
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10 Oct 2006, 07:08
mailtheguru wrote:
laxieqv wrote:
Agree on A ...good tip, Matt

Is the antecedant of 'It' clear in A? Why not B?

yes, "it" clearly points to "body heat" , the only singular noun here

B doesn't keep the parallelism.
10 Oct 2006, 07:08

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