Logical ReasoningDifficulty: Easy

PT8 S1 Q16 Explanation

Although all birds have feathers

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

TopicsParallel

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Stimulus

Although all birds have feathers and all birds have wings, some birds do not fly. For example, penguins and ostriches use their wings to move in a different way from other birds. Penguins use their wings only to swim under water at high speeds. Ostriches wind by lifting them as if they were sails.

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
16.

Which one of the following is most parallel in its reasoning to

Answer choices

  1. Trap1% picked this

    Ancient philosophers tried to explain not how the world functions but why it functions. In contrast, most contemporary biologists seek comprehensive theories of how

  2. Correct87% picked this

    Some chairs are used only as decorations, and other chairs are used only to tame lions. Therefore, not all chairs are used for sitting

    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. Trap2% picked this

    Some musicians in a symphony orchestra play the violin, and others play the viola, but these are both in the same category

  4. Trap3% picked this

    All cars have similar drive mechanisms, but some cars derive their power from solar energy, whereas others burn gasoline. Thus, solar-powered cars

  5. Trap7% picked this

    Sailing ships move in a different way from steamships. Both sailing ships and steamships navigate over water, but only sailing ships use

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