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According to some botanists, invasive plants are the second

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According to some botanists, invasive plants are the second [#permalink]

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A
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E

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82% (00:37) correct 18% (00:52) wrong based on 860 sessions

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According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.

A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems
B. threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems
C. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems
D. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss
E. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat
[Reveal] Spoiler: OA

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Originally posted by winskc on 16 Oct 2006, 21:01.
Last edited by abhimahna on 24 Mar 2018, 23:50, edited 1 time in total.
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 17 Oct 2006, 03:19
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It has to be a A since all the options are marked A! :lol:
Ok, now for the reasoning
B, D and E are not parallel
C has the ambigous 'their'
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 17 Oct 2006, 09:40
No perfect choice. Use of threat...for elliminates B,D. C is just not right.
A vs E. I'd eliminate E. So A.
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Re: According to some botanists, invasive plants are the second [#permalink]

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According to some botanists, invasive plants are the second most serious threat, after habitat loss,
to native species of plants and animals and to the maintenance of biologically diverse ecosystems.


A. threat, after habitat loss, to native species of plants and animals and to the maintenance of
biologically diverse ecosystems

B. threat, after habitat loss, to native species of plants and animals and for maintaining biologically
diverse ecosystems -> parallelism issue

C. threat, after losing their habitat, to native species of plants and animals and also to maintenance
of biologically diverse ecosystems-> the first threat is habitat loss , second is invasive plants; after losing changes meaning


D. threat to native species of plants and animals and for maintaining biologically diverse
ecosystems, after habitat loss-> threat to - for maintaining not parallel

E. threat to native species of plants and animals as well as to maintaining biologically diverse
ecosystems, after losing their habitat -> to maintain is correct


so ans: A
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 08 Feb 2014, 18:10
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First look: Parallelism, diction, grammatical construction (and)

A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems OK - It's parallel and logical. But, "to the maintenance of..." seems wordy, so I wanted to see if there was a better choice first.

B. threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems Wrong - "threat to" is the correct idiom, while "threat for" has a connotation that the threat came from "maintaining..."

C. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems Wrong - There is no clear referent for "their." "And also" is redundant.

D. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss Wrong - "threat to" is the correct idiom.

E. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat Wrong - "To maintaining" is not valid infinitive construction.

IMO A
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 08 Feb 2014, 18:15
BukrsGmat wrote:
E. threat to native species of plants and animals as well as to maintaining biologically diverse
ecosystems, after losing their habitat -> to maintain is correct

so ans: A


"To maintain" is an infinitive, but parallelism requires a noun "to the maintenance..." I'm sure you wrote that by mistake.
In case others were confused at first too, I hope this helps.
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 08 Feb 2014, 23:20
According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.

INCORRECT PORTIONS HIGHLIGHTED.....

A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.....CORRECT
A. threat, after habitat loss, to native species of plants and animals andfor maintaining biologically diverse ecosystems
A. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems
A. threatto native species of plants and animals and for maintainingbiologically diverse ecosystems, after habitat loss
A. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems,after losing their habitat
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 31 Jul 2014, 22:58
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mymba99 wrote:
According to some botanists, invasive plants are the second most serious threat, after
habitat loss, to native species of plants and animals and to the maintenance of
biologically diverse ecosystems.

A. threat, after habitat loss, to native species of plants and animals and to the
maintenance of biologically diverse ecosystems
B. threat, after habitat loss, to native species of plants and animals and for
maintaining biologically diverse ecosystems
C. threat, after losing their habitat, to native species of plants and animals and
also to maintenance of biologically diverse ecosystems
D. threat to native species of plants and animals and for maintaining biologically
diverse ecosystems, after habitat loss
E. threat to native species of plants and animals as well as to maintaining
biologically diverse ecosystems, after losing their habitat


Meaning
Some botanists believe invasive plants are second most serious threat to native species of plants and animals and also to the biologically diverse eco-system.
Habitat loss is the topmost threat( according to the botanists who believe invasive plants are second most serious threat)

Error Analysis

According to some botanists
invasive plants are the second most serious threat" S- Invasive plants verb- "are.."
-after habitat loss,--prepositional phrase,
to "native species....." and to"maintain biologically....".........To X and To Y. Parallel

No Error

POE
A. threat, after habitat loss, to native species of plants and animals and to the
maintenance of biologically diverse ecosystems- Correct Choice
B. threat, after habitat loss, to native species of plants and animals and for
maintaining biologically diverse ecosystems- To"X" and For"Y" not parallel
C. threat, after losing their habitat, to native species of plants and animals and
also to maintenance of biologically diverse ecosystems-To "X" and "Also to Y" not parallel
D. threat to native species of plants and animals and for maintaining biologically
diverse ecosystems, after habitat loss- Same error as B
E. threat to native species of plants and animals as well as to maintaining
biologically diverse ecosystems, after losing their habitat- To "X" and As well as"Y" Not parallel.
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 02 Aug 2016, 07:24
winskc wrote:
According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.

A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems
A. threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems
A. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems
A. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss
A. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat


Hi guys,
Can any one please tell me what's wrong with B?
I was stuck between A and B but picked B instead of A...

threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems It maintains parallelism to ..to structure but to the maintenance looks awkward

threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems It also seems fine by the rule of parallelism of imperfect list as the sentence is the form of invasive plants are the second most serious threat modifier1 and modifier 2...

e.g: the lamp decorated with blue flowers and resembling a monument brought a smile to child's face. m1 parallel to m2

will we see these kind of questions on the test day as it seems like a 500 level question (judging by the ques stats) but felt really difficult to me...
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According to some botanists, invasive plants are the second [#permalink]

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New post 11 Jun 2017, 02:18
According to some botanists, invasive plants are the second most serious threat, after
habitat loss, to native species of plants and animals and to the maintenance of
biologically diverse ecosystems.
A. threat, after habitat loss, to native species of plants and animals and to the
maintenance of biologically diverse ecosystems
B. threat, after habitat loss, to native species of plants and animals and for
maintaining biologically diverse ecosystems
C. threat, after losing their habitat, to native species of plants and animals and
also
to maintenance of biologically diverse ecosystems
D. threat to native species of plants and animals and for maintaining biologically
diverse ecosystems, after habitat loss
E. threat to native species of plants and animals as well as to maintaining
biologically diverse ecosystems, after losing their habitat

just find some mistakes and move on :!:
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 11 Jun 2017, 03:20
Expert's post
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The phrase - after habitat loss- contained inside a couple of commas seems to be a non-essential modifier, which seems to be wrong. If that phrase is removed, the fact that they are the second most serious thrust has no meaning. The OA seems dubious as per structural norms.
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 10 Aug 2017, 07:29
1
B and D: the second most serious threat...FOR maintaining biologically diverse ecosystems
Here, threat FOR is unidiomatic.
The correct idiom is X is a threat TO Y.
Eliminate B and D.

C: invasive species are the second most serious threat, after losing their habitat
Here, "their" seems to refer to "invasive species", implying that INVASIVE SPECIES are losing their habitat.
The intended meaning is that NATIVE SPECIES lose their habitat.
Eliminate C.

E: maintaining biologically diverse ecosystems, after losing their habitat
Here, "their" seems to refer "diverse ecosystems", implying that "DIVERSE ECOSYSTEMS" are losing their habitat.
The intended meaning is that NATIVE SPECIES lose their habitat.
Eliminate E.
The correct answer is A.
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Re: According to some botanists, invasive plants are the second [#permalink]

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New post 21 Nov 2017, 19:44
Most posts here clearly explains the question, however, I notice the explanation in E is missing something pretty fundamental.

(E) threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat

Let's change it to :

(E) threat to native species of plants and animals as well as to maintain biologically diverse ecosystems, after losing their habitat

This is still WRONG. threat to maintain ecosystem? What does that mean? It's non-sense.
You can't have the construction: threat to [VERB] to. This is always wrong.
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According to some botanists, invasive plants are the second [#permalink]

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New post 02 May 2018, 22:12
Hi Experts / GMATNinja / chetan2u / sayantanc2k / anairamitch1804,

Can you please tell the function of the prep. phrase "after habitat loss" in this question? Is is acting as a verb modifier or the noun modifier? Thanks!
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According to some botanists, invasive plants are the second   [#permalink] 02 May 2018, 22:12
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