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Nutritionist: Because humans have evolved very little since

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Nutritionist: Because humans have evolved very little since [#permalink] New post 08 May 2013, 14:39
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Nutritionist: Because humans have evolved very little since the development of agriculture, it is clear that humans
are still biologically adapted to a diet of wild foods
, consisting mainly of raw fruits and vegetables, nuts and
seeds, lean meat, and seafood. Straying from this diet has often resulted in chronic illness and other physical
problems. Thus, the more our diet consists of wild foods, the healthier we will be.

The boldface portion plays which one of the following roles in the argument?

A. It is a conclusion for which the only support offered is the claim that straying from a diet of wild foods has often
resulted in chronic illness and other physical problems.
B. It is a premise for which no justification is provided, but which is used to support the argument’s main conclusion.
C. It is a phenomenon for which the main conclusion of the nutritionist’s argument is cited as an explanation.
D. It is an intermediate conclusion for which one claim is offered as support, and which is used in turn to support the
argument’s main conclusion.
E. It is a premise offered in support of the claim that humans have evolved very little since the development of
agriculture.
[Reveal] Spoiler: OA

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Re: Nutritionist: Because humans have evolved very little since [#permalink] New post 09 May 2013, 09:17
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Analysis of Argument:
Nutritionist view: Humans are still biologically adapted to a diet of wild foods
Nutritionist reason for this view: humans have evolved very little since the development of agriculture
Nutritionist observation: Straying from this diet has often resulted in chronic illness and other physical problems.
Nutritionist conclusion based on his view and observation: The more our diet consists of wild foods, the healthier we will be.

Pre thinking:
Nutritionist is using his view that Humans are still biologically adapted to a diet of wild foods which he supports with the reason that because humans have evolved very little since the development of agriculture to support his main and final conclusion that the more our diet consists of wild foods, the healthier we will be.

Analysis of Answer choices:
A. It is a conclusion for which the only support offered is the claim that straying from a diet of wild foods has often resulted in chronic illness and other physical problems.
Incorrect: The support offered for this claim is that humans have evolved very little since the development of agriculture
B. It is a premise for which no justification is provided, but which is used to support the argument’s main conclusion.
Incorrect: A justification is provided for this.
C. It is a phenomenon for which the main conclusion of the nutritionist’s argument is cited as an explanation.
Incorrect: It is actually reverse of this. It is used to explain the main conclusion.
D. It is an intermediate conclusion for which one claim is offered as support, and which is used in turn to support the argument’s main conclusion.
Correct: Correct as the Nutritionist first concludes that Humans are still biologically adapted to a diet of wild foods using the first line of argument and then used this view to reach the final conclusion.

E. It is a premise offered in support of the claim that humans have evolved very little since the
development of agriculture.
Incorrect: It is the other way round.
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Re: Nutritionist: Because humans have evolved very little since [#permalink] New post 08 May 2013, 19:15
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carcass wrote:
Nutritionist: Because humans have evolved very little since the development of agriculture, it is clear that humans
are still biologically adapted to a diet of wild foods
, consisting mainly of raw fruits and vegetables, nuts and
seeds, lean meat, and seafood. Straying from this diet has often resulted in chronic illness and other physical
problems. Thus, the more our diet consists of wild foods, the healthier we will be.

The boldface portion plays which one of the following roles in the argument?

A. It is a conclusion for which the only support offered is the claim that straying from a diet of wild foods has often
resulted in chronic illness and other physical problems.
B. It is a premise for which no justification is provided, but which is used to support the argument’s main conclusion.
C. It is a phenomenon for which the main conclusion of the nutritionist’s argument is cited as an explanation.
D. It is an intermediate conclusion for which one claim is offered as support, and which is used in turn to support the
argument’s main conclusion.
E. It is a premise offered in support of the claim that humans have evolved very little since the development of
agriculture.



The portion under consideration here is "humans are still biologically adapted to a diet of wild foods".

Option A: It is a conclusion for which the only support offered is the claim that straying from a diet of wild foods has often resulted in chronic illness and other physical problems.
This is clearly wrong because the support offered to this conclusion is that straying away from a diet of wild food has often resulted in chronic illness and other problems.
Hence Option A is incorrect.

Option B: It is a premise for which no justification is provided, but which is used to support the argument’s main conclusion.
There is actually a supporting statement to justify this. (Straying away from a diet of wild food........)
Hence Option B is incorrect.

Option C: It is a phenomenon for which the main conclusion of the nutritionist’s argument is cited as an explanation.
In fact it is the other way around. The main conclusion of the argument is supported by the bold faced statement.
Hence Option C is incorrect.

Option D: It is an intermediate conclusion for which one claim is offered as support, and which is used in turn to support the argument’s main conclusion.
This is true. The bold faced statement is supported by the statement "humans have evolved very little since the development of agriculture".
Also the bold faced statement is used to draw the final conclusion of the argument. Hence it is an intermediate conclusion.
Option D is correct.

Option E: It is a premise offered in support of the claim that humans have evolved very little since the development of agriculture.
Actually, it doesn't support the claim that humans have evolved very little since the development of agriculture. It is the other way around.
Hence Option E is incorrect.

Therefore Option D is the correct answer
Re: Nutritionist: Because humans have evolved very little since   [#permalink] 08 May 2013, 19:15
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