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Evolutionary biologists have discovered that the opposable [#permalink]
 26 Nov 2012, 01:23
Question Stats:
66% (02:46) correct
33% (01:08) wrong based on 1 sessions
Evolutionary biologists have discovered that the opposable thumb evolved in the human geology to help our species grasp objects by using a pad-to-pad grip and improve throwing and clubbing prowess, and the fingers
and toes, also called as secondary appendages, shortening and straightening in the evolutionary process to strengthen the pad-to-pad grip of the land and to stabilize our upright posture. A: improve throwing and clubbing prowess, and the fingers and toes, also called as secondary appendages, shortening and straightening B: improve throwing and clubbing prowess, and that the fingers and toes, also called as secondary appendages, shortening and straightening C: improving throwing and clubbing prowess and the fingers and toes, also called as secondary appendages, shortened and straightened D: improve throwing and clubbing prowess and that the fingers and toes, also called as secondary appendages, shortened and straightened E: to improve throwing and clubbing prowess, and to shorten and straighten the fingers and toes, also called as secondary appendages OA after some discussions
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Re: Evolutionary biologists have discovered that the opposable [#permalink]
26 Nov 2012, 03:26
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gmatbull wrote: Evolutionary biologists have discovered that the opposable thumb evolved in the human geology to help our
species grasp objects by using a pad-to-pad grip and improve throwing and clubbing prowess, and the fingers
and toes, also called as secondary appendages, shortening and straightening in the evolutionary process to
strengthen the pad-to-pad grip of the land and to stabilize our upright posture.
A: improve throwing and clubbing prowess, and the fingers and toes, also called as secondary appendages, shortening
and straightening
B: improve throwing and clubbing prowess, and that the fingers and toes, also called as secondary appendages,
shortening and straightening
C: improving throwing and clubbing prowess and the fingers and toes, also called as secondary appendages, shortened
and straightened
D: improve throwing and clubbing prowess and that the fingers and toes, also called as secondary appendages,
shortened and straightened
E: to improve throwing and clubbing prowess, and to shorten and straighten the fingers and toes, also called as
secondary appendages
OA after some discussions Wow!!! Took me 3 minutes and I just wish that God either shower me by the blessing of free e-gmat course or never let such question appear during the test. Evolutionary biologists have discovered that the opposable thumb evolved in the human geology to help our species { grasp objects by using a pad-to-pad grip and improve throwing and clubbing prowess } and that the fingers and toes, also called as secondary appendages, shortened and straightened in the evolutionary process to strengthen the pad-to-pad grip of the land and to stabilize our upright posture. I just hope that by coloring the main part of the stimulus, you may feel this question to be easier. Two discoveries: i)The opposable thumb evolved in the human geology. ii)The fingers and toes shortened and straightened in the evolutionary process. This logic can be best expressed in the way D is written. +1 D.
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Re: Evolutionary biologists have discovered that the opposable [#permalink]
26 Nov 2012, 03:46
gmatbull wrote: Evolutionary biologists have discovered that the opposable thumb evolved in the human geology to help our
species grasp objects by using a pad-to-pad grip and improve throwing and clubbing prowess, and the fingers
and toes, also called as secondary appendages, shortening and straightening in the evolutionary process to
strengthen the pad-to-pad grip of the land and to stabilize our upright posture.
A: improve throwing and clubbing prowess, and the fingers and toes, also called as secondary appendages, shortening
and straightening
B: improve throwing and clubbing prowess, and that the fingers and toes, also called as secondary appendages,
shortening and straightening
C: improving throwing and clubbing prowess and the fingers and toes, also called as secondary appendages, shortened
and straightened
D: improve throwing and clubbing prowess and that the fingers and toes, also called as secondary appendages,
shortened and straightened
E: to improve throwing and clubbing prowess, and to shorten and straighten the fingers and toes, also called as
secondary appendages
we need improve or to improve because of parallelism. We need to pay attention that there are three AND's. One connects 2 main clauses and others connect internal clauses. Evolutionary biologists have discovered that the opposable thumb evolved in the human geology to help our
species grasp objects by using a pad-to-pad grip andimprove throwing and clubbing prowess and that the fingers and toes, also called as secondary appendages,
shortened and straightened in the evolutionary process to strengthen the pad-to-pad grip of the land and to stabilize our upright posture.
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Re: Evolutionary biologists have discovered that the opposable [#permalink]
26 Nov 2012, 08:12
IMO D.
Great explanation by Marcab. kudos to you, my friend.
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Re: Evolutionary biologists have discovered that the opposable [#permalink]
26 Nov 2012, 11:50
Evolutionary biologists have discovered that the opposable thumb evolved in the human geology to help our
species grasp objects by using a pad-to-pad grip and improve throwing and clubbing prowess, and the fingers
and toes, also called as secondary appendages, shortening and straightening in the evolutionary process to
strengthen the pad-to-pad grip of the land and to stabilize our upright posture.
A: improve throwing and clubbing prowess, and the fingers and toes, also called as secondary appendages, shortening
and straightening requires parallelism - that the oppsaable thumb... that the fingers
B: improve throwing and clubbing prowess, and that the fingers and toes, also called as secondary appendages,
shortening and straightening tense error - should be shortened and straightened
C: improving throwing and clubbing prowess and the fingers and toes, also called as secondary appendages, shortened
and straightened parallelism error - that the oppsaable thumb... that the fingers
D: improve throwing and clubbing prowess and that the fingers and toes, also called as secondary appendages,
shortened and straightened Correct
E: to improve throwing and clubbing prowess, and to shorten and straighten the fingers and toes, also called as
secondary appendages sentence meaning has changed
IMO, answer is D.
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Re: Evolutionary biologists have discovered that the opposable [#permalink]
26 Nov 2012, 16:30
Well explained by Marcab and correct too.
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Re: Evolutionary biologists have discovered that the opposable [#permalink]
27 Nov 2012, 03:22
Biologists have discovered two things A) that thumb evolved to i) help grasp objects ii) improve throwing and clubbing prowess B) and that fingers and toes shortened and straightened to i) strengthen the pad-to-pad grip of the land ii) and to stabilize our upright posture. required that -that parallelism is followed only in choices B and D only. and only D conveys the intended meaning.
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Re: Evolutionary biologists have discovered that the opposable
[#permalink]
27 Nov 2012, 03:22
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