LSAT 120 | Section 4 | Logical Reasoning: Q2

LR Question 2 Explanation

QUESTION TEXT: Dr. Theresa Pagano, a biologist, has found that the checkerspot…

QUESTION TYPE: Strengthen – Exception

CONCLUSION: The northward shift of climate zones accounts for the northward shift of butterflies.

REASONING: The close correlation provides the basis for the argument. We would need more information to establish causation.

ANALYSIS: Let’s find some supporting evidence. The correct answer will either weaken or fail to support the conclusion.

___________

1. Yes, this showcases the importance of temperature. It’s reasonable butterflies would follow temperature shifts.
2. If their food moves with the climate, butterflies will follow.
3. CORRECT. This is the credited answer, though it’s not perfect. Their adaptability means that the temperature change shouldn’t have affected them. See note below for my objections.
4. This shows that the butterflies are sensitive to temperature.
5. If so, then it makes sense that butterflies are following the warm zones.

Recap: The question begins with “Dr Theresa Pagano, a biologist, has found that the checkerspot”. It is a Strengthen question. Learn more about LSAT Strengthen questions in our guide to LSAT Logical Reasoning question types.