LSAT 108 – Section 2 – Question 07

LSAT 108 - Section 2 - Question 07

February 2000

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT108 S2 Q07
+LR
Most strongly supported +MSS
A
4%
157
B
1%
163
C
2%
155
D
1%
149
E
92%
167
135
144
152
 +Medium 145.001 +SubsectionEasier

When an invading insect threatens an ant colony’s territory or food sources, the ants will vigorously swarm over the invader, biting or stinging it. This defensive tactic can effectively deter even aggressive flying insects, such as wasps. Ants do not attack all insects within their territory, however. For example, riodinid caterpillars commonly live harmoniously among South American ants. These caterpillars, which are a favorite prey of wasps, produce secretions the ants consume as food.

Summary
Ants will vigorously attack invading insects that threaten a colony’s territory or food sources. These defensive tactics can successfully deter even flying insects, like wasps. However, ants do not attack all insects within their territory. For example, riodinid caterpillars commonly live among South American ants. These caterpillars are a favorite pray of wasps, but they also produce secretions the ants feed on.

Strongly Supported Conclusions
Riodinid caterpillars do not threaten South American ant’s territory or food sources.
Riodinid caterpillars are less likely to be preyed on by wasps when the caterpillars live among ants compared to those caterpillars that don’t live among ants.

A
The secretions produced by riodinid caterpillars are chemically identical to substances secreted by plants on which South American ants also feed.
We don’t know anything about the chemical makeup of the caterpillar’s secretions. We only know that the ants consume the secretions as food.
B
South American ants are more likely to be successful in defending their food sources and territory against intruders than are ants that live elsewhere.
We don’t know anything about ants that live elsewhere other than South America. The South American ants are only used as one example.
C
With the sole exception of riodinid caterpillars, South American ants will vigorously attack any organism that enters an area they inhabit.
We don’t know whether the riodinid caterpillar is the only exception. There could be other kinds of inspects the ants do not attack.
D
Among insect species that inhabit South America, wasps are the only kinds of organism other than ants that use riodinid caterpillars as a source of food.
We don’t know if wasps and South American ants are the only insects that use riodinid caterpillars as a food source.
E
Riodinid caterpillars in South America that live among ants are less likely to be attacked successfully by wasps than those that do not live among ants.
Since the ants’ attacks can effectively deter wasps, riodinid caterpillars living among ant colonies are probably less likely to be successfully preyed upon by wasps.

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LSAT PrepTest 108 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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