Logical ReasoningDifficulty: Easy

PT121 S1 Q12 Explanation

Extinction is inevitable for all

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

TopicsParallel

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Stimulus

Extinction is inevitable for all biological species. In fact, the vast majority of all species that have ever lived are now extinct. Since all species die out eventually, there is no justification for trying to protect those that can be saved from extinction now.

What this question is testing

Parallel

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
12.

The reasoning in the argument above is most closely paralleled by the argument that there is

Answer choices

  1. Trap0% picked this

    look for a book in the library because it is sometimes

  2. Correct93% picked this

    spend money on preventive maintenance of a car because no car

    Why this is right

    Answer B is correct.

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

  3. Trap1% picked this

    reinforce bridges against earthquakes in earthquake-prone areas because earthquakes occur only

  4. Trap3% picked this

    take a route that will avoid the normal traffic jams because traffic jams can occur

  5. Trap4% picked this

    plant a flower garden in soil that is not beneficial to plants because the plants are likely to

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