LSAT 155 – Section 2 – Question 09

LSAT 155 - Section 2 - Question 09

November 2019

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT155 S2 Q09
+LR
Most strongly supported +MSS
Critique or Debate +CritDeb
Problem-Analysis +Prob
Quantifier +Quant
Math +Math
A
6%
152
B
73%
162
C
2%
148
D
19%
154
E
1%
151
142
150
158
 +Medium 145.934 +SubsectionMedium

Rodents are small, gnawing mammals characterized by their chisel-like incisor teeth. Although most North American mammal species are not rodent species, most of the individual mammals in North America are rodents.

Summary
Rodents are small mammals that have chisel-like incisor teeth. Most individual mammals in North America are rodents, even though most mammal species in North America are not rodents.

Strongly Supported Conclusions
In North America, rodent species usually have more individual members than other species of mammals.

A
Most species of North American mammals have chisel-like incisor teeth.
This answer is unsupported. The stimulus only tells us of one example of a species of mammal that has chisel-like incisor teeth. To say that most mammal species have these teeth is too extreme.
B
In North America, rodent species tend to have more individual members than other species of mammals have.
This answer is strongly supported. We know from the stimulus that most individual mammals in North America are rodents. Therefore, rodent species tend to have more individual member than mammal species that are not rodents.
C
Most species of mammals that have chisel-like incisor teeth can be found in North America.
This answer is unsupported. The stimulus only tells us of one example of a species of mammal in North America that has chisel-like incisor teeth. We cannot assume that there are other species with similar teeth from the stimulus.
D
Of the mammal species in North America, the one with the most individual members is a species of rodent.
This answer is unsupported. We don’t know from the stimulus how many species of rodent exist, and we don’t know how many individual members exist within each potential species of rodent to make this claim.
E
Most nonrodent mammal species can be found in North America.
This answer is unsupported. We don’t have any information in the stimulus about mammal species existing outside of North America to make this comparison.

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LSAT PrepTest 155 Explanations

Section 1 - Logical Reasoning

Section 2 - Logical Reasoning

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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