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# Hundreds of species of fish generate and discharge electric

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Hundreds of species of fish generate and discharge electric [#permalink]

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18 Aug 2013, 22:18
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Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.

(A) either to find and attack prey, to defend themselves, or also for communicating and navigating
(B) either for finding and attacking prey, defend themselves, or for communication and navigation
(C) to find and attack prey, for defense, or communication and navigation
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation
(E) to find and attack prey, to defend themselves, or to communicate and navigate
[Reveal] Spoiler: OA

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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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18 Aug 2013, 23:04
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gpsao wrote:
Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.

(A) either to find and attack prey, to defend themselves, or also for communicating and navigating
(B) either for finding and attacking prey, defend themselves, or for communication and navigation
(C) to find and attack prey, for defense, or communication and navigation
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation
(E) to find and attack prey, to defend themselves, or to communicate and navigate

IDIOM TEST:
EITHER X OR Y
X and Y MUST BE PARALLEL.
only E is USING parallel structure.

hence E
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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01 Sep 2013, 06:17

Only Option E follows Parallelism by using "to find, to defend and to communicate".
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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01 Sep 2013, 14:01
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Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.

(A) either to find and attack prey, to defend themselves, or also for communicating and navigating
(B) either for finding and attacking prey, defend themselves, or for communication and navigation
(C) to find and attack prey, for defense, or communication and navigation
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation
(E) to find and attack prey, to defend themselves, or to communicate and navigate

Note you can also flip the sentence as such:

"Using their power to A, to B, and to C, hundreds of species of fish generate and discharge electric currents."

The descriptive phrase "in bursts or as steady electric fields around their bodies" - really is just fluff.

Since the above flipped sentence makes sense, then we can say the original unflipped version makes sense as well.
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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11 Feb 2014, 12:01
nice question !

A and B uses correct idiom either....or.. but they are not parallel.
C and d uses wordy..
only e is concise, clear, and three things are correctly listed.
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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27 Apr 2014, 17:01
EITHER X OR Y is a dual marker of parallelism. It can compare only two items. So use of EITHER X OR Y
is wrong here.

C and D doesn't have ||'sm. E wins.
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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02 Sep 2014, 08:40
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Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.

(A) either to find and attack prey, to defend themselves, or also for communicating and navigating (Wrong Idiom)
(B) either for finding and attacking prey, defend themselves, or for communication and navigation (Purpose so "to" required)
(C) to find and attack prey, for defense, or communication and navigation (Parallelism Not Correct)
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation (Purpose so "to" required)
(E) to find and attack prey, to defend themselves, or to communicate and navigate
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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25 May 2015, 23:18
As I understand, the phrase "using their power...." modifies the clause "Hundreds of species of fish....", and "their" is the pronoun of "electric currents". Since "using their power..." is not a result of the clause, it must modify through adding information to the clause. For example: Joe killed the snake, using his knife.

However, in this question, I just cannot see how the modifier "using their power..." adds information to the clause "Hundreds of species...", I think it should be an independent clause, such as ", their power was used to .......".
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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27 May 2015, 10:41
Expert's post
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Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.
"either" should be used for two options only and here we have three, so eliminate A and B
(C) to find and attack prey, for defense, or communication and navigation not parallel
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation not parallel
(E) to find and attack prey, to defend themselves, or to communicate and navigate
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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30 Jun 2016, 07:08
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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10 Sep 2016, 11:36
I have a query

I have read that - the construction is generally in the format ---> to X, Y and Z and NOT --> to X, to Y and to Z.

Though I chose E because it was the best among other options but is it stylistically correct?
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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10 Sep 2016, 23:09
warriorguy wrote:
I have a query

I have read that - the construction is generally in the format ---> to X, Y and Z and NOT --> to X, to Y and to Z.

Though I chose E because it was the best among other options but is it stylistically correct?

No, both are optional. We can have either 'once outside' or 'every time inside' rule.

So, both the below statements are correct.

Either to X, to Y or to Z

or

to Either X,Y or Z.
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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24 Dec 2016, 22:27
Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.

(A) either to find and attack prey, to defend themselves, or also for communicating and navigating - Parallelism issue - either X or Y is a dual marker - it can compare only 2 items
(B) either for finding and attacking prey, defend themselves, or for communication and navigation - Parallelism issue
(C) to find and attack prey, for defense, or communication and navigation - Parallelism issue
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation - Parallelism issue
(E) to find and attack prey, to defend themselves, or to communicate and navigate - Correct answer

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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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05 Jan 2017, 12:17
Understand meaning
Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating. : to communicate and navigate

E
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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11 Jan 2017, 04:36
A) either to find and attack prey, to defend themselves, or also for communicating and navigating
(B) either for finding and attacking prey, defend themselves, or for communication and navigation
(C) to find and attack prey, for defense, or communication and navigation
(D) for finding and attacking prey, to defend themselves, or also for communication and navigation
(E) to find and attack prey, to defend themselves, or to communicate and navigate
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Re: Hundreds of species of fish generate and discharge electric [#permalink]

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12 Feb 2017, 17:31
Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.

Issue: Parallelism

Analysis: Quite straightforward parallelism issue question. Need to make sure that all the verbs are in the same form.

(A) either to find and attack prey, to defend themselves, or also for communicating and navigating
- Non-parallel structure: infinitive, infinitive, or participle

(B) either for finding and attacking prey, defend themselves, or for communication and navigation
- Non-parallel
- Also breaks "once out or every time in"

(C) to find and attack prey, for defense, or communication and navigation
- breaks "once out or every time in" with "to" missing after "or"

(D) for finding and attacking prey, to defend themselves, or also for communication and navigation

(E) to find and attack prey, to defend themselves, or to communicate and navigate
Re: Hundreds of species of fish generate and discharge electric   [#permalink] 12 Feb 2017, 17:31
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