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The intricate structure of the compound insect eye, having hundreds of

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The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 11 May 2012, 23:45
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The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

(A) having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it

(B) having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they

(C) with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they

(D) with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it

(E) with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 12 May 2012, 08:34
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A case of SV mismatch and pronoun ambiguity and reference. The subject is the singular structure and the verb therefore should be helps, which is three in B, C and E. In B. the plural pronoun, they refer to anything plural but what is in issue is the singular insect eye that is compared with vertebrate eye. C also has the same pronoun mis - reference as in B. E remains with the use of the singular verb helps and singular pronoun it
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 18 Jul 2013, 08:51
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gmatter0913 wrote:
Could somebody please clarify me how "with" is different from "having" here.

How is it that "having" is modifying "structure", while "with" is modifying "compound insect eye". Kindly help me understand the usage of with here.

Thanks a lot GmatClub.


hi

having = have + ing = verb + ing.
verb-ing modifiers are very versatile modifiers.
there are two case


if verb-ing modifiers appear after a clause and is preceeded by comma ,then it modifies the entire preceeding clause.It
a) either presents additional information about the preceeding clause or
b) result of the preceeding clause.


if verb-ing modifiers appears without a comma==>it modifies the immediate noun.

now in our question:

The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

so according to rule HAVING is modifying the entire preceeding clause....
so in this sentence ...meanig coming out: intricate structure are having hundreds of miniature eyes==> this is illogical as structure cant have eyes...
hence we can eliminate all the option using HAVING


please refre to this also.

usage-of-verb-ing-modifiers-135220.html


hope it makes sense now.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 11 Aug 2012, 10:18
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A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it (SV error)
B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they (Pronoun error)
C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they(Pronoun error)
D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it (SV error)
E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it (Correct Answer)
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 29 Aug 2012, 14:55
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First split : The intricate structure......... HELP/HELPS explain........

The intricate structure ( singular )..... must be paired with Helps ( singular verb )

A,D disappears, Left with B, C, E

2nd Split : Scientists assumed that....... THEY / IT........

The pronoun refers back to the EYE ( Singular )........ So the Pronoun should be IT ( SINGULAR ) and not THEY.

Thus B n C get back to their cocoon.

Leading to E, my take
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 01 May 2013, 02:58
I figured out the errors with each answer choice much similar to the ways listed above. I was looking at one point in OG answer explanation that "using 'assuming' with possesive 'scientists'' form" is incorrect. Say, if i change answer (C) as below, will it be correct.

(C) with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' ASSUMPTION that IT
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 01 May 2013, 23:26
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mamathak wrote:
I figured out the errors with each answer choice much similar to the ways listed above. I was looking at one point in OG answer explanation that "using 'assuming' with possesive 'scientists'' form" is incorrect. Say, if i change answer (C) as below, will it be correct.

(C) with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' ASSUMPTION that IT


Hi mamthak

Even you change assuming to assumption, the sentence is still wrong because:

- Structure: "assumption that + clause" is not as good as "assume that + clause"
(1) Scientists have the assumption that whale evolved from elephant
(2) Scientists assume that whale evolved from elephant
Which one is better. Definitely, GMAT likes the latter, it's more concise and has clear meaning.
Remember the order V-A-N (verb-adjective-noun). If you can use verb, use verb, do not use noun form.

- Idiom: assumption that ==> incorrect. Correct idiom is "assumption of/about"

Hope it' clear.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post Updated on: 18 Jul 2013, 00:01
The OA explanation for this question says that "This wording misleadingly suggests that the intricate structure has miniature eyes, while the correct subject of the predicate having is the compound insect eye."

But, I thought "having" is modifying "compound insect eye" as it is touching the noun "compound insect eye". So, I need help in understanding where am I wrong.

Also, I am not clear how does "with" solve the problem.

Thanks in advance.

Originally posted by gmatter0913 on 17 Jul 2013, 23:55.
Last edited by gmatter0913 on 18 Jul 2013, 00:01, edited 1 time in total.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 18 Jul 2013, 08:35
Could somebody please clarify me how "with" is different from "having" here.

How is it that "having" is modifying "structure", while "with" is modifying "compound insect eye". Kindly help me understand the usage of with here.

Thanks a lot GmatClub.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 18 Jul 2013, 10:57
Could you help me on how "with" modifies the "eye" and not the "structure"?
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post Updated on: 18 Jul 2013, 12:00
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gmatter0913 wrote:
Could you help me on how "with" modifies the "eye" and not the "structure"?



WITH ...will modify eye.....according to context of the sentence)

it cannot modify intricate structure as that will be illogical....to say intricate structure have hundreds of miniature eyes.


The intricate structure of the compound insect eye,withits hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it evolved independently of the vertebrate eye


HOPE IT IS CLEAR.

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Originally posted by blueseas on 18 Jul 2013, 11:03.
Last edited by blueseas on 18 Jul 2013, 12:00, edited 1 time in total.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 18 Jul 2013, 11:25
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I think "with" can modify the preceding clause too. Please refer to the below post by eGMAT saying "with" is a versatile modifier.

http://www.beatthegmat.com/comma-with-m ... 01732.html

Please help me understand the exact usage of "with".
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 18 Jul 2013, 11:58
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gmatter0913 wrote:
I think "with" can modify the preceding clause too. Please refer to the below post by eGMAT saying "with" is a versatile modifier.

http://www.beatthegmat.com/comma-with-m ... 01732.html

Please help me understand the exact usage of "with".



thanks for the link... :-D

so it must be more clear now since ....with MODIFIES according to context of the sentence.

so EYE is the only noun which makes sense....hence...it is modifying EYE...

HOPE it is clear now.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 18 Jul 2013, 21:49
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I thought I understood the usage of "with" until I saw this official sentence.

I believe that if I am changing the rules of using a concept every time so as to match the correct answer, then I am sure that I didn't understand the concept well. I believe that is exactly what is happening in this case in understanding the usage of "with" on the GMAT.

In our previous conversation, we thought "with" modifies the preceding noun or the clause. But, it looks like we're missing something here. Below is an official sentence from the GMAT Prep.

Sentence: (This is the correct option in the question. But, the stress here is to understand how is it correct?)

Visitors to the park have often looked up into the leafy canopy and saw monkeys sleeping on the branches, with arms and legs hanging like socks on a clothesline.

The official explanation says "with" is modifying "monkeys" correctly and it is not modifying "branches".

I don't understand why is it so? According to our understanding, "with" should modify the preceding noun "branches".

I understand that branches cannot have arms and legs and hence it modifies monkeys. I think this explanation doesn't solve the problem. Because, there has to be a better explanation to this usage. Else, we're saying that "with" is always correct on the GMAT as it can be associated to modify anything as desired by the context of the sentence.

I believe we need to understand this better.

I request the experts on this forum to please help us on this.

Thanks a lot!!
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 14 Aug 2013, 23:37
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gmatter0913 wrote:
I thought I understood the usage of "with" until I saw this official sentence.

Visitors to the park have often looked up into the leafy canopy and saw monkeys sleeping on the branches, with arms and legs hanging like socks on a clothesline.

The official explanation says "with" is modifying "monkeys" correctly and it is not modifying "branches".

I don't understand why is it so? According to our understanding, "with" should modify the preceding noun "branches".

I understand that branches cannot have arms and legs and hence it modifies monkeys. I think this explanation doesn't solve the problem. Because, there has to be a better explanation to this usage. Else, we're saying that "with" is always correct on the GMAT as it can be associated to modify anything as desired by the context of the sentence.


Firstly, both the verbs "have often looked up" and "saw" are associated to "Visitors". I'd expect the second verb also to be in a a form that aligns with "have" => verb should be "have seen" .

Secondly to generalise this concept of usage of "with XXX" --> it falls into the category of prepositional phrases , which are very versatile , and everything that's said about "with" being a versatile modifier applies to all prepositional phrases

In this specific Question - i think "with arms and legs hanging like ..... " modifies the noun phrase "monkeys sleeping on the branches" . it simply cannot modify just branches or monkeys. "with ....." here describes HOW monkeys are sleeping on the branches , modifying the action denoted by the -ING modifer sleeping.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 01 Jun 2014, 00:18
The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they
D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it


This sentence addresses why scientists have decided that the vertebrate eye arid the insect eye evolved independently of each other. The insect eye is much more intricate, with hundreds of miniature eyes. The sentence needs to be clear as to what has hundreds of miniature eyes. The structure or the insect eye? Furthermore, the singular subject intricate structure requires the singular verb helps.

A. having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
having..modified subject of the preceding clause "The intricate structure" and meaning looks like The intricate
structure has miniature eyes(insect eye has miniature eyes).so this option is out


B. having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
Option B is out for the same reason as given in Option A.

C. with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they
The intricate structure ...helps(correct). they(plural) is refer to back to The intricate structure(singular)..so
Incorrect


D. with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
The intricate structure ...help(incorrect)

E. with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
The intricate structure ...helps(correct).It refers to The intricate structure...Correct.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 13 Apr 2015, 13:31
A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
This choice has a modifier error. Moreover, the verb help does not agree in number with the subject “the intricate structure…”.

B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
Although this choice corrects the SV error, the modifier error still is present.

C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they
This choice corrects the modifier and SV errors, but it introduces a new one. The possessive apostrophe changes the meaning. Furthermore, it would be more correct to say scientists’ assumption rather than scientists’ assuming.

D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
Corrects modifier error, but SV error is still present.

E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
Corrects modifier and SV errors.
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 10 Apr 2016, 06:46
The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

Tip: having hundreds.....ommatidia is modifying intricate structure nit insect eye--this is wrong. The sentence expects to modify insect eye

A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it-- as explained in tip; Sub-Verb-Agreement issue
B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they--as explained in tip; THEY is wrong. It seems like scientists have evolved
C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they--THEY has no clear antecedant
D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it--Sub-Verb-Agreement issue
E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it--ok
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 30 Apr 2016, 11:45
macjas wrote:
The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.


A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they
D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
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Re: The intricate structure of the compound insect eye, having hundreds of  [#permalink]

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New post 29 Jun 2016, 00:25
A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it==>Wrong Wrong Verb
B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they ==> Wrong Pronoun
C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they ===>Wrong Pronoun
D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it ==>Wrong Verb
E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it ==> Correct


macjas wrote:
The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

A having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
B having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
C with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they
D with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
E with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it

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Re: The intricate structure of the compound insect eye, having hundreds of &nbs [#permalink] 29 Jun 2016, 00:25

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