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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
4
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A
B
C
D
E

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

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New post 23 Mar 2009, 15:32
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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 24 Mar 2009, 11:24
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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: Based on the growth rates of large modern reptiles such as  [#permalink]

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New post 08 Aug 2012, 00:42
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1
"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]

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New post 19 Nov 2017, 18:04
mikemcgarry GMATNinjaTwo GMATNinja

Hi,

Could one of you guys please explain why option B is correct and not A? I choose A simply because I founded A to be more concise than B. I went through all of the comments here where multiple people said A is wrong because "Based on" is modifying the scientists. I am unable to see this. I am not quite sure how "based on" seems to be modifying "scientists"? Could you please explain this to me? Would greatly appreciate it!
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Re: Based on the growth rates of large modern reptiles such as  [#permalink]

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New post 20 Nov 2017, 17:55
csaluja wrote:
mikemcgarry GMATNinjaTwo GMATNinja

Hi,

Could one of you guys please explain why option B is correct and not A? I choose A simply because I founded A to be more concise than B. I went through all of the comments here where multiple people said A is wrong because "Based on" is modifying the scientists. I am unable to see this. I am not quite sure how "based on" seems to be modifying "scientists"? Could you please explain this to me? Would greatly appreciate it!

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

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Re: Based on the growth rates of large modern reptiles such as   [#permalink] 09 Aug 2019, 14:57
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