Logical ReasoningDifficulty: Easy

PT151 S2 Q11 Explanation

The goal of reforesting degraded

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

TopicsParadox

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Stimulus

The goal of reforesting degraded land is to create an area with a multitude of thriving tree species. But some experienced land managers use a reforesting single fast-growing tree species.

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
11.

Which one of the following, if true, most helps to resolve the apparent discrepancy in

Answer choices

  1. Unclear Impact2% picked this

    Tree species that require abundant sunlight tend to grow quickly on

    This talks about species that require abundant sunlight. Do we know that this single fast-growing species is one that requires abundant sunlight? No. So does this answer have anything to do with what we're talking about? Can't tell.

  2. Explains Background1% picked this

    An area with a multitude of thriving tree species tends to be more aesthetically pleasing than an area with

    This answer is explaining why we desire to ultimately reforest land in a way that creates an area with a multitude of species. But it doesn't explain the surprising idea: why are we going about it by planting a single species?

  3. Unclear Impact11% picked this

    The reforestation of degraded land is generally unsuccessful unless the land is planted with tree species that are native to

    This talks about species that are native to the area being reforested? Do we know that this single fast-growing species is one that's native to the area? No. So does this answer have anything to do with what we're talking about? Can't tell.

  4. Correct83% picked this

    The growth of trees attracts wildlife whose activities contribute to the dispersal of a large variety of tree

    Why this is right

    This helps us explain how planting a a single species of tree could help us eventually get to a multitude of thriving tree species. The idea is that we get this single species up first (because it's fast growing). Those trees will attract wildlife to this land, and the the wildlife will do stuff that will contribute dispersing seeds from a wide variety of trees from surrounding areas. So, since we ultimately want a variety of species, we want wildlife to come in and disperse seeds from a large variety of tree species, and to get the wildlife to come to the area then we need some trees already there, so we start with a fast-growing species.

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

  5. Unrelated to Goal3% picked this

    The process of reforesting degraded sites is time consuming and

    This has nothing to do with helping us understand how we get from a single species of tree to the multitude of tree species we ultimately desire.

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