Logical ReasoningDifficulty: Easy

PT142 S2 Q2 Explanation

Since there is no survival value

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

TopicsPrinciple-Conform

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Stimulus

Since there is no survival value in an animal's having an organ that is able to function when all its other organs have broken down to such a degree that the animal dies, it is a result of the efficiency of natural selection that no way that it greatly outlasts the body's other organs.

What this question is testing

Principle-Conform

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
2.

Of the following, which one illustrates a principle that is most similar to the principle illustrated

Answer choices

  1. Wrong Conclusion1% picked this

    A store in a lower-income neighborhood finds that it is unable to sell its higher-priced goods and so stocks them only

    According to the principle, the higher-priced goods would never be stocked.

  2. Out of Scope1% picked this

    The body of an animal with a deficient organ is often able to compensate for that deficiency when other organs perform the

    There is value provided by the animal’s organ, whereas in the passage there is no value in outlasting other organs.

  3. Wrong Evidence / Wrong Conclusion2% picked this

    One car model produced by an automobile manufacturer has a life expectancy that is so much longer than its other models that its great

    The car model has value and is manufactured.

  4. Wrong Relationship3% picked this

    Athletes occasionally overdevelop some parts of their bodies to such a great extent that other parts of their bodies are more prone

    This presents a side effect of overdeveloping parts of one’s body. This doesn’t say that there is no value in overdeveloping parts of one’s body, nor does it say that it therefore doesn’t happen.

  5. Correct93% picked this

    Automotive engineers find that it is not cost-effective to manufacture a given automobile part of such high quality that it outlasts all other parts

    Why this is right

    Since manufacturing such a part offers no increase in the value of the overall quality of the automobile, such parts are not manufactured.

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

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