LSAT 130 – Section 4 – Question 13

LSAT 130 - Section 4 - Question 13

September 2009

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Question QuickView	Type	Tags	Answer Choices	Curve	Question Difficulty	Psg/Game/S Difficulty	Explanation
PT130 S4 Q13	+LR	Most strongly supported +MSS Causal Reasoning +CausR	A 1% 155 B 4% 159 C 89% 165 D 3% 154 E 3% 156	130 141 152	+Easier	146.168 +SubsectionMedium

Adult frogs are vulnerable to dehydration because of their highly permeable skins. Unlike large adult frogs, small adult frogs have such a low ratio of body weight to skin surface area that they cannot survive in arid climates. The animals’ moisture requirements constitute the most important factor determining where frogs can live in the Yucatán peninsula, which has an arid climate in the north and a wet climate in the south.

Summary

1. Adult frogs are vulnerable to dehydration due to their permeable skin.
2.*Small* adult frogs have a low body weight to skin surface area ratio, making them unable to survive in arid climates.
3. The Yucatán peninsula has an arid climate in the north and a wet climate in the south.
4. Frogs' moisture requirements are the most important factor determining where they can live in the Yucatán peninsula.

Strongly Supported Conclusions

Large adult frogs are better suited to live in the Yucatan peninsula than small adult frogs

Large adult frogs cannot coexist with small adult frogs in the wet areas.

This is too strong. The stimulus does not say that small and large frogs cannot coexist, only that large frogs are better suited to the environment.

Frogs living in wet areas weigh more on average than frogs in the arid areas.

There is not enough information to support this statement comparing the frogs’ weight. You need to make a lot of assumptions to make this work

Large adult frogs can live in more of the area than small adult frogs can.

The stimulus says that small adult frogs cannot survive in an arid climate. The Yucatan has an arid climate in the north. Thus, large adult frogs can live in more of the area than small adult frogs.

Fewer small adult frogs live in the south than do large adult frogs.

There is not enough support for this comparative statement. The stimulus does not give any information on how many frogs are in each region.

Small adult frogs in the south have less permeable skins than small adult frogs in the north.

There is no information to compare the permeability of small adult frogs in the south vs. the north.

LSAT 130 – Section 4 – Question 13

LSAT 130 - Section 4 - Question 13

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LSAT PrepTest 130 Explanations

Section 1 - Logical Reasoning

Section 2 - Reading Comprehension

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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