LSAT 122 – Section 1 – Question 08

LSAT 122 - Section 1 - Question 08

June 2006

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT122 S1 Q08
+LR
+Exp
Resolve reconcile or explain +RRE
A
3%
152
B
0%
156
C
26%
158
D
71%
164
E
1%
154
139
151
163
 +Medium 146.495 +SubsectionMedium

Vervet monkeys use different alarm calls to warn each other of nearby predators, depending on whether the danger comes from land or from the air.

"Surprising" Phenomenon
Why do vervet monkeys use different alarm calls to warn each other of nearby land-based predators than they use to warn each other of nearby air-based predators?

Objective
The correct answer must provide a reason that using different alarm calls for land-based predators than air-based predators is beneficial to or necessary for vervet monkeys.

A
By varying the pitch of its alarm call, a vervet monkey can indicate the number of predators approaching.
The stimulus isn’t concerned with vervet monkeys alerting each other of the number of predators approaching. We’re focused on why the monkeys use different calls for predators coming by land than for predators coming by air.
B
Different land-based predators are responsible for different numbers of vervet monkey deaths.
Knowing different land-based predators kill varying numbers of vervet monkeys doesn’t have anything to do with why the monkeys use different calls for land-based predators than for air-based predators.
C
No predators that pose a danger to vervet monkeys can attack both from land and from the air.
(C) tells us that all predators that pose danger to vervet monkeys can be classified as fully land-based or fully air-based. However, (C) doesn’t help explain why the monkeys use different calls for the land-based predators than the air-based predators.
D
Vervet monkeys avoid land-based predators by climbing trees but avoid predation from the air by diving into foliage.
This is a reason that using differentiated calls could benefit vervet monkeys. If the monkeys avoid land-based predators in a different way than they avoid air-based predators, differentiated calls could help the monkeys know which type of avoidance strategy to prepare to use.
E
Certain land-based predators feed only on vervet monkeys, whereas every predator that attacks vervet monkeys from the air feeds on many different animals.
The diets of the predators that attack vervet monkeys are irrelevant. We’re only concerned with why the monkeys use different calls for land-based predators than for air-based predators.

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LSAT PrepTest 122 Explanations

Section 1 - Logical Reasoning

Section 2 - Logical Reasoning

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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