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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 07 Oct 2008, 09:19
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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: SC-reptiles [#permalink]

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New post 07 Oct 2008, 10:11
such as - used when highlighting examples.

A & B

"Based on"

A
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Re: SC-reptiles [#permalink]

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New post 07 Oct 2008, 10:21
Rates for is the correct idiom (not of)

>> E
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Re: SC-reptiles [#permalink]

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New post 07 Oct 2008, 10:36
where is "rates for" mentioned in the answer choices?
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Re: SC-reptiles [#permalink]

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New post 07 Oct 2008, 18:18
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Agree with Pawan... Where is for

__how to decide between Based on and On the Basis of ???
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Re: SC-reptiles [#permalink]

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New post 07 Oct 2008, 18:50
jitendra 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


Clearly B

A-> based ...,scientist ... is not correct
B->On the basis ,scientist .... is correct
C-> like is wrong
D->like those ... is wrong
E -> again like is wrong
IMO B
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Re: SC-reptiles [#permalink]

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New post 07 Oct 2008, 23:11
Sorry Incognito1 but I am unable to understand why
"Based on the growth rates" incorrectly modifies "scientists" ?

Based on the growth rates .... Scientists estimate ...
On the basis of the growth rates .... Scientists estimate ....


Also why is "such as" preferred over "like" ...
Thank you.
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Re: SC-reptiles [#permalink]

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New post 07 Oct 2008, 23:25
1) BAsed on the growth rates implies that scientists are based on growth rates
2) On the basis of.... means scientists have used this as a reference
3) Like is used for comparisons and such as is used for giving examples

guttal007 wrote:
Sorry Incognito1 but I am unable to understand why
"Based on the growth rates" incorrectly modifies "scientists" ?

Based on the growth rates .... Scientists estimate ...
On the basis of the growth rates .... Scientists estimate ....


Also why is "such as" preferred over "like" ...
Thank you.
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Re: SC-reptiles [#permalink]

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New post 08 Oct 2008, 01:58
Another B for me. It sounds more logical due to "on the basis of".
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Re: SC-reptiles [#permalink]

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New post 08 Oct 2008, 09:28
guttal007 wrote:
Sorry Incognito1 but I am unable to understand why
"Based on the growth rates" incorrectly modifies "scientists" ?

Based on the growth rates .... Scientists estimate ...
On the basis of the growth rates .... Scientists estimate ....


Also why is "such as" preferred over "like" ...
Thank you.


Since the sentence begins with "Based on the growth rates..", it modifies the portion that follows the modifier. Here, scientists are NOT based on the growth rates, but rather "the estimate of scientists" is.

"Based on the growth rates of..., the estimate of scientists is that.." would've been more accurate, but (B) is clearly preferable.

Another way to approach this is to substitute "using.." for "on the basis of". The sentence would then read "Using the growth rates.., scientists estimate".
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Re: SC-reptiles [#permalink]

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New post 08 Oct 2008, 09:29
OA is indeed B. thanks for discussion
Re: SC-reptiles   [#permalink] 08 Oct 2008, 09:29
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Based on the growth rates of large modern reptiles such as

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