Logical ReasoningDifficulty: Medium

PT122 S1 Q8 Explanation

Vervet monkeys use different alarm

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

TopicsParadox

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Stimulus

Vervet monkeys use different alarm calls to warn each other of nearby predators, depending on whether the danger or from the air.

What this question is testing

Paradox

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
8.

Which one of the following, if true, contributes most to an explanation of the behavior of vervet

Answer choices

  1. Trap4% picked this

    By varying the pitch of its alarm call, a vervet monkey can indicate the number

  2. Trap0% picked this

    Different land-based predators are responsible for different numbers of vervet

  3. Trap19% picked this

    No predators that pose a danger to vervet monkeys can attack both from land and

  4. Correct76% picked this

    Vervet monkeys avoid land-based predators by climbing trees but avoid predation from the air by

    Why this is right

    Answer D is correct.

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

  5. Trap1% picked this

    Certain land-based predators feed only on vervet monkeys, whereas every predator that attacks vervet monkeys from the air

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