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The order Rodentia, consisting of over 2,000 species constituting over

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The order Rodentia, consisting of over 2,000 species constituting over [#permalink]

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New post 05 Aug 2015, 03:11
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A
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The order Rodentia, consisting of over 2,000 species constituting over 40% of all mammalian species, varies in size from the massive Capybara to their smallest member, the African pygmy mouse.

A) constituting over 40% of all mammalian species, varies in size from the massive Capybara to their
B) constituting over 40% of all mammalian species, varies in size from the massive Capybara to its
C) which constitute over 40% of all mammalian species, vary in size from the massive Capybara to their
D) which constitute over 40% of all mammalian species, vary in size from the massive Capybara to its
E) which constitutes over 40% of all mammalian species, varies in size from the massive Capybara to their

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Re: The order Rodentia, consisting of over 2,000 species constituting over [#permalink]

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New post 05 Aug 2015, 22:54
The order Rodentia is singular; therefore its verb or pronoun should be singular --- (varies and its)
2000 species is plural, therefore its verb should be plural – (constitute)


A) constituting over 40% of all mammalian species, varies in size from the massive Capybara to their --- 'their' referring to the singular order Rodentia is wrong
B) constituting over 40% of all mammalian species, varies in size from the massive Capybara to its -----keep it
C) which constitute over 40% of all mammalian species, vary in size from the massive Capybara to their --- 'vary' is the verb for Rodentia: the plural verb 'vary' is wrong, and 'their' should be changed to its --- wrong choice
D) which constitute over 40% of all mammalian species, vary in size from the massive Capybara to its --- ‘vary’ is wrong verb as in C
E) which constitutes over 40% of all mammalian species, varies in size from the massive Capybara to their --- ‘Which constitutes” is wrong number agreement between the plural 2000 species, and the singular ‘constitutes’; ‘their’ is wrong pronoun
B is the correct choice with proper number agreement and pronoun agreement
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Re: The order Rodentia, consisting of over 2,000 species constituting over [#permalink]

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New post 11 Jan 2018, 22:29
why other patterns won't work?

Source: Magoosh

he order Rodentia, consisting of over 2,000 species, which constitutes over 40% of all mammalian species, varies in size from the massive Capybara to their smallest member, the African pygmy mouse.

The bolded text above represents two non-restrictive clauses placed one after another. The commas are used correctly, but the sentence still reads awkwardly. We don't typically stack those clauses like that because doing so creates odd pauses that disrupt the flow of the sentence.
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The order Rodentia, consisting of over 2,000 species constituting over [#permalink]

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New post 24 May 2018, 18:57

MAGOOSH OE:



Split #1: subject/verb agreement. The subject of the sentence is "the order Rodentia" --- our furry friends, the rodents. After this, there's a bunch of modifying fluff, and then we get to the main verb: "varies" vs. "vary". Subject/verb agreement with a collective noun is one of the GMAT's favorite tricks. Yes, there are truckloads of different rodents in the world --- it's a large and diverse category, as the sentence tells us --- nevertheless, the subject, the "order Rodentia", is singular. There's just one biological order for the rodents, however many individual rodents there may be. The singular subject needs the singular verb, "varies." Choices (A) & (B) & (E) have this correct, but choices (C) & (D) make the mistake of giving a singular collective noun a plural verb. These latter two are incorrect.

Split #2: "constituting" vs. "which constitute" --- both of these are correct and acceptable. In and of itself, this is a false split. The only problem is with answer (E) --- "… over 2000 species which constitutes …" the singular verb "constitutes" doesn't agree with the plural noun "species." (E) is incorrect. --- Notice that, in (C) & (D), the "which" is not preceded by a comma. This makes us suspicious about these two, but that omission, by itself, is not enough to reject an answer choice.

Split #3: the pronoun. At the very end of the underlined section, there's a "their" vs. "its" split. In context, the sentence there is comparing the Capybara, the largest member of the Rodents order, to the smallest member of the order. The pronoun refers to the subject, the "order Rodentia", so like the main verb, it must be singular, "it": Choices (B) & (D) have this correct, but choices (A) & (C) & (E) have the plural pronoun "they", so these three are incorrect.

The only possible answer is choice (B).
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The order Rodentia, consisting of over 2,000 species constituting over   [#permalink] 24 May 2018, 18:57
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