Logical ReasoningDifficulty: Medium

PT113 S3 Q8 Explanation

For all species of higher animals,

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

TopicsMust be False

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Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

For all species of higher animals, reproduction requires the production of eggs but not necessarily the production of sperm. There are some species whose members are all female; the eggs produced by a rare female-only species of salamander hatch without fertilization. This has the drawback that all offspring have genetic codes nearly species less adaptive than species containing both male and female members.

What this question is testing

Must be False

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.

If the statements above are true, each of the following could be

Answer choices

  1. Trap4% picked this

    There are some species of salamanders that have both male and

  2. Correct81% picked this

    There are some species of higher animals none of whose members

    Why this is right

    Answer B is correct.

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

  3. Trap7% picked this

    There is a significant number of female-only species of

  4. Trap5% picked this

    Some species of higher animals containing both female and male members are

  5. Trap3% picked this

    Some offspring of species of higher animals containing both female and male members have genetic codes more similar to one parent

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