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22 Jan 2020, 05:46
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
59% (01:52) correct
41%
(02:05)
wrong
based on 562
sessions
History
Date
Time
Result
Not Attempted Yet
Professor: Members of most species are able to communicate with other members of the same species, but it is not true that all communication can be called “language.” The human communication system unquestionably qualifies as language. In fact, using language is a trait without which we would not be human.
Student: I understand that communication by itself is not language, but how do you know that the highly evolved communication systems of songbirds, dolphins, honeybees, and apes, for example, are not languages?
The student has interpreted the professor’s remarks to mean that
(A) different species can have similar defining traits
(B) every human trait except using language is shared by at least one other species
(C) not all languages are used to communicate
(D) using language is a trait humans do not share with any other species
(E) humans cannot communicate with members of other species
Student: I understand that communication by itself is not language, but how do you know that the highly evolved communication systems of songbirds, dolphins, honeybees, and apes, for example, are not languages?
The student has interpreted the professor’s remarks to mean that
(A) different species can have similar defining traits
(B) every human trait except using language is shared by at least one other species
(C) not all languages are used to communicate
(D) using language is a trait humans do not share with any other species
(E) humans cannot communicate with members of other species
23 Jan 2020, 00:40
Kudos
Bookmarks
This is more an LSAT question than a GMAT one, but the student is confusing the converse with the contrapositive. The professor says "if we did not use language, we would not be human". The student is interpreting that to mean "if a species uses language, that species is human" (which is the converse, and not the logically correct contrapositive, which would be "if we are human, we use language"). So the student is mistakenly thinking the professor is saying "only humans use language", which is what leads the student to ask why the communication systems of other animals are not also language, and the answer is D.
26 Jan 2020, 23:35
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(A) different species can have similar defining traits [OOS, not mentioned anywhere]
(B) every human trait except using language is shared by at least one other species [OOS, not mentioned anywhere]
(C) not all languages are used to communicate [Opp is true - "not true that all communication can be called “language.”"]
(D) using language is a trait humans do not share with any other species [True - "using language is a trait without which we would not be human"]
(E) humans cannot communicate with members of other species [OOS, not mentioned anywhere]
(B) every human trait except using language is shared by at least one other species [OOS, not mentioned anywhere]
(C) not all languages are used to communicate [Opp is true - "not true that all communication can be called “language.”"]
(D) using language is a trait humans do not share with any other species [True - "using language is a trait without which we would not be human"]
(E) humans cannot communicate with members of other species [OOS, not mentioned anywhere]
