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Based on the growth rates of large modern reptiles such as

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Based on the growth rates of large modern reptiles such as [#permalink]

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New post 12 Jul 2007, 15:45
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Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as

(B) On the basis of growth rates of large modern reptiles such as

(C) Based on the growth rates of large modern reptiles like

(D) On the basis of growth rates of large modern reptiles, like those of

(E) Based on such growth rates as those of large modern reptiles like

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New post 12 Jul 2007, 16:47
it is between A and B.
Others are discarded because 'such as' is correct when mentioning examples.

I'll pick B as it is better suits as a modifier for scientists.

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Re: SC 1000: Large modern reptiles [#permalink]

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New post 12 Jul 2007, 18:41
soul_assassin wrote:
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as

(B) On the basis of growth rates of large modern reptiles such as

(C) Based on the growth rates of large modern reptiles like

(D) On the basis of growth rates of large modern reptiles, like those of

(E) Based on such growth rates as those of large modern reptiles like


B for 2 reasons
1. Correct modifier " on the basis"
2. Use of "such as"

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Re: SC 1000: Large modern reptiles [#permalink]

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New post 12 Jul 2007, 19:29
soul_assassin wrote:
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as

(B) On the basis of growth rates of large modern reptiles such as

(C) Based on the growth rates of large modern reptiles like

(D) On the basis of growth rates of large modern reptiles, like those of

(E) Based on such growth rates as those of large modern reptiles like


"such as" cannot be right here. The X and Y here is "the growth rates of large modern reptiles" and "examinations of fossils of juvenile dinosaurs". Using "such as" makes this sentence unclear.

So, not A or B. E is wrong too, very awkward. So it is either C or D.
D is wrong because of the comma.
My pick is C. "Like" is correct here.

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New post 12 Jul 2007, 19:49
I will go with B. I think such as is correct as the author of the sentence is trying to give us an example of large modern reptile.

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Re: SC 1000: Large modern reptiles [#permalink]

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New post 13 Jul 2007, 00:27
soul_assassin wrote:
Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

(A) Based on the growth rates of large modern reptiles such as

(B) On the basis of growth rates of large modern reptiles such as

(C) Based on the growth rates of large modern reptiles like

(D) On the basis of growth rates of large modern reptiles, like those of

(E) Based on such growth rates as those of large modern reptiles like



recently discussed: http://www.gmatclub.com/phpbb/viewtopic ... t=reptiles

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cold blooded [#permalink]

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New post 13 Jul 2007, 05:56
I think the answer is A.It straight forward and I do not see any errors in it.

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New post 13 Jul 2007, 08:57
The OA is B. This question is 161 from SC 1000.

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Based on the growth rates of large modern reptiles such as [#permalink]

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161. Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.
(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like


please explain

Last edited by ugimba on 23 Mar 2009, 16:19, edited 1 time in total.

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Re: 1000 SC -- growth rates [#permalink]

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New post 23 Mar 2009, 15:32
should be B.

because of the use of "such as" and because of parallelism.

On the basis of growth rates of large modern reptiles such as the Galapagos tortoise and (on the basis of ) examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

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Re: 1000 SC -- growth rates [#permalink]

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New post 23 Mar 2009, 15:59
neeshpal wrote:
should be B.

because of the use of "such as" and because of parallelism.

On the basis of growth rates of large modern reptiles such as the Galapagos tortoise and (on the basis of ) examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.


neeshpal,

Thanks for your explanation... what is wrong with A? can you explain.. I thought 'based on' sounded better than 'on the basis' ..

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Re: 1000 SC -- growth rates [#permalink]

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New post 23 Mar 2009, 17:09
Such As would be appropriate for this sentence...

I think A is the best Answer

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Re: 1000 SC -- growth rates [#permalink]

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New post 23 Mar 2009, 18:50
ugimba wrote:
161. Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.
(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like


please explain

When use example, it should use such as. So eliminate C, D, and E.
The idiomatic expression should be estimate on the basis of

B is the correct answer

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Re: 1000 SC -- growth rates [#permalink]

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ugimba wrote:
neeshpal wrote:
should be B.

because of the use of "such as" and because of parallelism.

On the basis of growth rates of large modern reptiles such as the Galapagos tortoise and (on the basis of ) examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.


neeshpal,

Thanks for your explanation... what is wrong with A? can you explain.. I thought 'based on' sounded better than 'on the basis' ..


"Based on" ---> here it looks like scientists are based on but actually their estimates are based.

In general but not always "based" is used for something physical and "basis" for abstract.

sentence wants to convey that the main reason behind their estimation is the growth rate .....etc etc..

so " on the basis" is used.

based on: Scientists estimation is based on the growth rates of ...etc etc..

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Re: 1000 SC -- growth rates [#permalink]

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New post 25 Mar 2009, 10:24
OA is B. Thanks.

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Re: 1000 SC -- growth rates [#permalink]

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New post 26 Mar 2009, 04:20
such as is used for giving examples, hence C, D and E are out. A is wrong bcos bAsed on ...modifies scientists , this is wrong.
B is the best choice.
ugimba wrote:
161. Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.
(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like


please explain

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Re: 1000 SC -- growth rates [#permalink]

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New post 20 Oct 2009, 17:44
Sorry guys can't make out why A is incorrect.How is BASED ON modifying scientists??
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Re: 1000 SC -- growth rates [#permalink]

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New post 01 Nov 2009, 09:04
Ok guys!! I also had problems taking a choice between A & B

I made some researches on the www and found the following :

A thing is based on something...
But One person can't be based one something. This has to be one person's idea!!

Then... after eliminating C/D/E... You need to eliminate A.
B remains

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Re: Based on the growth rates of large modern reptiles such as [#permalink]

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New post 08 Aug 2012, 00:42
"Such as" should be used so C,D,E out

A. Based on X and Y, Scientists estimate
based on modifying Scientists and Scientists are not based on X and Y.

B. On the basis of X and Y, Scientists estimate - is correct

A would be correct, if we were given: Based on X and Y, Estimatimation of scientist...
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Re: Based on the growth rates of large modern reptiles such as [#permalink]

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New post 08 Aug 2012, 05:21
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Just taking a wild guess on whats wrong with A. In the first part of the statement we are using "the growth rates" whereas we are not using "the examinations" in the second part of statement. So is it breaking the parallelism. Experts please guide.

Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.

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Re: Based on the growth rates of large modern reptiles such as   [#permalink] 08 Aug 2012, 05:21

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