Logical Reasoning

PT2 · S2 · Q21 One method of dating

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

  • Save & drill this skill build targeted practice sets from questions like this one

  • Video walkthroughs watch every question solved step by step

  • 81 official LSATs as questions, timed sections & full-length tests

One method of dating the emergence of species is to compare the genetic material of related species.

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.

21.

Which one of the following can be properly inferred from the passage?

  1. Giant pandas and red pandas

    Trap

    5% picked this

  2. Scientists now count the giant

    Trap

    1% picked this

  3. It is possible to determine,

    Trap

    16% picked this

  4. Correct

    Scientists have found that giant

    Why this is right

    Answer D is correct.

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

    74% picked this

  5. There is substantial consensus among

    Trap

    4% picked this

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free