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Part 2
*4 He designs his studies with two questions in the notebooks of his mind (5). *5 First, how do colony members differentiate and divide labor? And second, why has (6) some combinations of these divisions of labor more successful than others? *7 Wilson has found that worker ants are at the center of a colonies (7) success. *8 They integrate the colony and provide labor specialization. Some worker ants dedicate their lives to feeding the colony, foraging for and retrieving fifteen to twenty times their weight in food daily.[8] Additionally, some foraging ants work in pairs. (9) In another example of individual sacrifice for colony welfare, worker ants that specialize as guards devoting (10) their lives to the protection of the colony’s territorial boundaries.[11]
5.
F. NO CHANGE
G. mind.
H. his processing unit.
J. his consciousness.
6.
A. NO CHANGE
B. do
C. have
D. are
7.
F. NO CHANGE
G. colony’s
H. colonys
J. colonies’
8.
The writer is considering adding the following to the end of the preceding sentence (placing a comma after the word daily):
usually bits of human food debris.
Should the writer make this addition here?
A. Yes, because it adds an important detail that helps answer Wilson’s questions.
B. Yes, because it shows how hard ants are able to work.
C. No, because it distracts from the focus on the specialization of the ant population.
D. No, because it does not provide a measure of how much debris equals the weight of one ant.
9.
Given that all the choices are true, which one indicates most specifically a contribution made to the colony by worker ants?
F. NO CHANGE
G. a majority of worker ants do not reproduce, offer- ing their eggs to feed larvae and the queen.
H. when they are out of the nest, ants find each other by following lingering vapor trails.
J. every day a mature ant colony uses as much vegetation as a mature cow.
10.
A. NO CHANGE
B. devote
C. devoted
D. were devoting
11.
If the writer were to divide this paragraph into two— one about what Wilson is looking for and another about his findings—where should the new paragraph
begin?
F. Sentence 4
G. Sentence 5
H. Sentence 7
J. Sentence 8
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