Logical ReasoningDifficulty: Easy

PT127 S1 Q18 Explanation

Nutritionist: Because humans have evolved

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsRole

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Stimulus

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 diet consists of wild foods, the healthier we will be.

What this question is testing

Role

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
18.

The claim that humans are still biologically adapted to a diet of wild foods plays which one of the following roles

Answer choices

  1. Trap3% picked this

    It is a conclusion for which the only support offered is the claim that straying from a diet of wild foods has often resulted

  2. Trap4% picked this

    It is a premise for which no justification is provided, but which is used to support

  3. Trap3% picked this

    It is a phenomenon for which the main conclusion of the nutritionist’s argument is cited

  4. Correct86% picked this

    It is an intermediate conclusion for which one claim is offered as support, and which is used in turn to

    Why this is right

    Answer D is correct.

    Skill tested: Role · how this choice captures the argument's function is the move to repeat next time.

  5. Trap5% picked this

    It is a premise offered in support of the claim that humans have evolved very little since

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