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# Five hundred million different species of living creatures

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Senior Manager
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Five hundred million different species of living creatures [#permalink]

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12 Apr 2007, 19:01
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55% (01:44) correct 45% (00:47) wrong based on 591 sessions

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Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

[Reveal] Spoiler:
Why can't B be the answer?
[Reveal] Spoiler: OA
If you have any questions
New!
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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 05:48
Agree with Kevin why can B cant be the answer
This question has also stumped me twice.
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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 06:28
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ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

In choice B, "that appeared on Earth" seems to refer to "nearly 99 % of 500 million different species of living creatures", whereas we know that it should refer to "500 million different species of living creatures"

SC questions that are underlined entirely tends to be modification questions. Make sure modifier is referring to the logical modifyee.
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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 06:39
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ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.

D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.

E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

Here's my take -

The key is the use of the article "The" and the use of present perfect tense in choice E.

Choice B leaves open the possibility that more than 500 million diff species may have appeared on earth. E make is specific - only 500 mill diff species have appeared and 99% of these have vanished.
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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 07:29
B and E seem very close but I will choose E because of the use of the article "The".
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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 10:54
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Hi ricokevin,
The OA is B only.
The problem with E is that both the verbs are in present perfect meaning that during the course of species' appearance the species started vanishing.

http://www.gmatclub.com/phpbb/viewtopic.php?t=43741
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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 07:41
vineetgupta wrote:
Hi ricokevin,
The OA is B only.
The problem with E is that both the verbs are in present perfect meaning that during the course of species' appearance the species started vanishing.

http://www.gmatclub.com/phpbb/viewtopic.php?t=43741

Then I got it right!!!

tough one.

Thanks guys~
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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 08:20
ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

Between B and E i choose B. Because E suggest that species vanished before apparing because of the use of present tense. so my choice is B

Javed.

Cheers!
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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 09:42
This question is testing clarity and subject verb agreement. Between B and E. E is clearer.
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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 10:08
vineetgupta wrote:
Hi ricokevin,
The OA is B only.
The problem with E is that both the verbs are in present perfect meaning that during the course of species' appearance the species started vanishing.

http://www.gmatclub.com/phpbb/viewtopic.php?t=43741

2 OAs

I think E is correct
E takes into account the 1% of animals who are still living.
It is an SC of type: Past and present participle
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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 11:36
ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

E is correct because it states something that is continuing even today. B talks about something in past that is not happening now. My 2 cents

EDIT: Just saw another explanation. B seems better
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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 23:23
E)

I agree with techjanson, the action still continues, so Pres. Perfect is required. In these type of questions, when you're doubting between 2 answer choices that both look correct, ALWAYS compare them with the original sentence to verify that they are not changing the meaning. Remember that in SC you could have 2 answer choices that are correct, but the one you have to select is the BETTER of them!
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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2014, 10:21
Clearly, the correct answer has to be between B & E. Rejected E , since the species had to appear before vanishing, the use of present perfect in both phrases is incorrect
So B. Can someone shed some light on the OA. Doesn't look like we have an OA here. Someone please.
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Re: Five hundred million different species of living creatures [#permalink]

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03 Aug 2014, 01:24
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I think 'E' is better. After going through different posts, the points I have noted are :

1) B states that 99% of 500 million creatures appeared on Earth. Implies that 1 % appeared some where else but not on Earth.
2) B uses past tense 'appeared' which implies a completed action. Where as E uses present perfect tense (action started in past and still going on) and is apt because 1% exist even today.

Please correct me if I am wrong.

Thanks,
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Re: Five hundred million different species of living creatures [#permalink]

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25 Nov 2014, 20:15
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B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
E.Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

E is better because of two reasons:
1) in case of B.
(Nearly 99 percent of five hundred million different species of living creatures) that appeared on Earth have vanished.
or
Nearly 99 percent of (five hundred million different species of living creatures) that appeared on Earth have vanished.
Not sure what is meant.

and
2) As per the original choice :
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
So it says species which are still appearing -> Present perfect usage and that is the tense used by E.
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Re: Five hundred million different species of living creatures [#permalink]

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26 Nov 2014, 12:17
I chose option E.

Thanks,
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Re: Five hundred million different species of living creatures [#permalink]

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31 May 2015, 15:28
Quote:
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

Question1 -
What is the split between D and E, is it just the use of word "the" in E which is making it correct over D or is it the use of the prepositional phrase "of them" in option D w.r.t helping verb "have" in option D

Question2 -
If I change the Option D as following, will it be grammatically correct? If not why so?
D. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.

Thanks
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Re: Five hundred million different species of living creatures [#permalink]

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03 Jun 2015, 04:14
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sandeepmanocha wrote:
Quote:
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

Question1 -
What is the split between D and E, is it just the use of word "the" in E which is making it correct over D or is it the use of the prepositional phrase "of them" in option D w.r.t helping verb "have" in option D

Question2 -
If I change the Option D as following, will it be grammatically correct? If not why so?
D. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.

Thanks

In D, We are already using "of the 5 M". we don't need to specify "THEM " again. E doesn't have this redundancy.
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Re: Five hundred million different species of living creatures [#permalink]

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06 May 2016, 05:37
ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

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Re: Five hundred million different species of living creatures [#permalink]

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06 May 2016, 05:58
ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

The main FLAW is the tense that is used..
the new species are still appearing so we cannot limit them by usage of PAST tense..
it should have been 'that have appeared on earth'-- an ongoing process
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Re: Five hundred million different species of living creatures   [#permalink] 06 May 2016, 05:58

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