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# Bipedal dinosaurs' standing posture differs ...

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Bipedal dinosaurs' standing posture differs ...  [#permalink]

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Updated on: 14 Mar 2015, 06:11
5
16
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Difficulty:

95% (hard)

Question Stats:

35% (01:43) correct 65% (01:38) wrong based on 513 sessions

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Bipedal dinosaurs' standing posture differs from virtually every visual depiction of them created before the 1970s, when scientists reevaluated their assumptions about tripod-style balance.

(A) Bipedal dinosaurs' standing posture differs from

(B) Bipedal dinosaurs stood in a posture that differs from

(C) Bipedal dinosaurs exhibited standing postures that differ from those of

(D) The standing posture of bipedal dinosaurs differs from

(E) The characteristics of bipedal dinosaurs' standing posture differ from those of

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Originally posted by avohden on 12 Oct 2013, 19:58.
Last edited by carcass on 14 Mar 2015, 06:11, edited 2 times in total.
Formatted the question
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Re: Bipedal dinosaurs' standing posture differs ...  [#permalink]

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12 Oct 2013, 22:36
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2
First of all, meaning is KEY for this question. The original sentence is wrong because the posture (a characteristic) CAN'T be compared to the depiction (a picture). The correct comparison should be between the posture of the REAL dinosaurs and the posture of the depicted dinosaurs.

Bipedal dinosaurs' standing posture differs from virtually every visual depiction
of them created before the 1970s, when scientists reevaluated their assumptions

(A) Bipedal dinosaurs' standing posture differs from
Wrong. CAN'T compare the posture of the dinosaur and the picture.

(B) Bipedal dinosaurs stood in a posture that differs from
Wrong. Same error as in A. CAN'T compare the posture of the dinosaur and the picture.

(C) Bipedal dinosaurs exhibited standing postures that differ from those of
Correct. Comparison: postures of the REAL dinosaurs and those (postures) of the depicted dinosaurs.

(D) The standing posture of bipedal dinosaurs differs from
Wrong. Same error as in A and B. CAN'T compare the posture of the dinosaur and the picture.

(E) The characteristics of bipedal dinosaurs' standing posture differ from those of
Wrong. We're comparing the postures of real dinosaur and those of depicted dinosaur. We do NOT compare the characteristics of the posture of the real dinosaur and those of the posture of the depicted dinosaur ==> E changes meaning.

Hope it helps.
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Re: Bipedal dinosaurs' standing posture differs ...  [#permalink]

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12 Oct 2013, 23:53
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Cannot compare a standing posture to a depiction. B is the only choice that compares postures to those postures of every visual depiction
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Re: Bipedal dinosaurs' standing posture differs ...  [#permalink]

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22 Oct 2013, 10:38
1
Official Explanation

The words "differ from" signal that there is a comparison. In this case, the comparison is between the actual posture of dinosaurs and the posture as depicted by certain images. As written, the sentence is incorrect: it compares the actual standing posture with "every visual depiction." We can't compare a posture with a picture as those are unlike things. Choice (B) makes the same mistake, comparing a posture with pictures. (C) makes a proper comparison between "standing postures" and "those of." The word "those" takes the place of "standing postures," so we're comparing the actual standing postures with the standing postures as depicted. (D) makes the same mistake as (A) and (B). (E) is complicated but is yet another comparison error. It compares characteristics of standing posture with "those" (characteristics) of visual depictions. Those are different things, so (C) must be correct.

Hope this helps.
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Re: Bipedal dinosaurs' standing posture differs ...  [#permalink]

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13 Mar 2015, 21:46
Bipedal dinosaurs' standing posture differs from virtually every visual depiction of them created before the 1970s, when scientists reevaluated their assumptions about tripod-style balance.
(A) Bipedal dinosaurs' standing posture differs from
(B) Bipedal dinosaurs stood in a posture that differs from
(C) Bipedal dinosaurs exhibited standing postures that differ from those of
(D) The standing posture of bipedal dinosaurs differs from
(E) The characteristics of bipedal dinosaurs' standing posture differ from those of

OA is C. But in the non-underlined part of sentence,what is "them" referring to ?Those(meaning postures) or B'Dinosaurs? Isn't them is ambiguous?

The words "differ from" signal that there is a comparison. In this case, the comparison is between the actual posture of dinosaurs and the posture as depicted by certain images. As written, the sentence is incorrect: it compares the actual standing posture with "every visual depiction." We can't compare a posture with a picture as those are unlike things.

Choice (B) makes the same mistake, comparing a posture with pictures. (C) makes a proper comparison between "standing postures" and "those of." The word "those" takes the place of "standing postures," so we're comparing the actual standing postures with the standing postures as depicted. (D) makes the same mistake as (A) and (B). (E) is complicated but is yet another comparison error. It compares characteristics of standing posture with "those" (characteristics) of visual depictions. Those are different things, so (C) must be correct.
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Re: Bipedal dinosaurs' standing posture differs ...  [#permalink]

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13 Mar 2015, 22:25
1
Option C is unambiguously correct.
When it comes to Pronoun, always look for a Noun which can be substituted by that Pronoun, making the meaning of the sentence "logically" clear. It is very important.

Getting back to your question, "them" referring to ?Those(meaning postures) or B'Dinosaurs?
When in such a doubt, replace the Pronoun with the Noun in actual sentence and see whether the meaning is logically clear or correct.
- "them" replacing "those (posture)" gives a sentence: "...differ from 'posture of' virtually every visual depiction of 'posture'...".

"Posture of depiction of Posture...", it does not make any sense, but "Posture of depiction of B'Dinosaurs" does.
So, the option C is correct and uses the pronouns without ambiguity.
Hope this helped..!!!!!
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Re: Bipedal dinosaurs' standing posture differs ...  [#permalink]

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01 Mar 2019, 01:54
A B & C all compare the posture of the dinosaurs to the picture, not the picture’s depiction of their posture.

E changes the meaning to compare the characteristics of the real dinosaurs’ posture to the those of the depicted dinosaurs.

Re: Bipedal dinosaurs' standing posture differs ...   [#permalink] 01 Mar 2019, 01:54
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