LSAT 104 – Section 4 – Question 05

LSAT 104 - Section 4 - Question 05

December 1998

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT104 S4 Q05
+LR
Inference +Inf
Conditional Reasoning +CondR
A
4%
160
B
5%
160
C
89%
169
D
1%
159
E
1%
156
140
149
157
 +Medium 147.438 +SubsectionMedium

Ticks attach themselves to host animals to feed. Having fed to capacity, and not before then, the ticks drop off their host. Deer ticks feeding off white-footed mice invariably drop off their hosts between noon and sunset, regardless of time of attachment. White-footed mice are strictly nocturnal animals that spend all daytime hours in their underground nests.

Summary
Ticks attach themselves to other animals to feed on them. Ticks drop off their host only after they have fed to capacity. And, if they have fed to capacity, they will drop off their host.
Deer ticks that feed on white-footed mice always drop off their hosts between noon and sunset, no matter when the ticks first attached to the host.
White-footed mice are strictly nocturnal (they are active only at night). During daytime hours, these mice are underground.

Very Strongly Supported Conclusions
Deer ticks that feed on white-footed mice always drop from the mice they’re feeding on while the mice are underground. We know this is supported because the deer ticks always drop off during the daytime, and during the daytime the mice are underground.

A
Deer ticks all attach themselves to white-footed mice during the same part of the day, regardless of day of attachment.
We don’t know anything about when deer ticks attach themselves to mice. We know when they drop off the mice, but that doesn’t reveal anything about the timing of attachment.
B
Deer ticks sometimes drop off their hosts without having fed at all.
Ticks drop off only after feeding to capacity. So it can’t be true that deer ticks sometimes drop off without feeding at all.
C
Deer ticks that feed off white-footed mice drop off their hosts in the hosts’ nests.
This is strongly supported, because we know the ticks always drop off from the mice during the daytime, and during the daytime, the mice are in their underground nests.
D
White-footed mice to which deer ticks have attached themselves are not aware of the ticks.
We know nothing about the awareness of the white-footed mice. None of the facts suggest anything about whether the mice know the ticks are feeding on them.
E
White-footed mice are hosts to stable numbers of deer ticks, regardless of season of the year.
We know nothing about the stability of the numbers of deer ticks that feed on white-footed mice.

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LSAT PrepTest 104 Explanations

Section 1 - Logical Reasoning

Section 2 - Reading Comprehension

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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