LSAT 122 – Section 2 – Question 09

LSAT 122 - Section 2 - Question 09

June 2006

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT122 S2 Q09
+LR
Most strongly supported +MSS
Causal Reasoning +CausR
A
2%
158
B
91%
164
C
1%
156
D
3%
154
E
3%
154
129
139
149
 +Easier 146.896 +SubsectionMedium

Members of large-animal species must consume enormous amounts of food to survive. When climatic conditions in their environment deteriorate, such animals are often unable to find enough food. This fact helps make large-animal species more vulnerable to extinction than small-animal species, which can maintain greater populations on smaller amounts of food.

Summary

Large-animal species must consume enormous amounts of food. If climatic conditions deteriorate in their environment, these animals often cannot find enough food. This means that large-animal species are more vulnerable to extinction than small-animal species.

Strongly Supported Conclusions

A lack of food is one of the risk factors involved in mass extinctions. Climate changes can risk mass extinctions by undermining the food supply of large-animal species.

A
The maximum population size that an animal species could maintain on any given amount of food is the main factor determining whether that species will become extinct.

This is unsupported because we don’t know anything about the maximum population sizes that species maintain and how that relates to survival.

B
The vulnerability of an animal species to extinction depends at least in part on how much food individuals of that species must consume to survive.

This is strongly supported because different species, varying based on how much food they need, would have different risks of mass extinction. Large species who need more food are at a greater risk than small species needing less.

C
When conditions deteriorate in a given environment, no small-animal species will become extinct unless some large-animal species also becomes extinct.

This is unsupported because small-animal species may go extinct when conditions deteriorate due to reasons unrelated to food supply. The author only states that large-animal species are more from climate shocks to food.

D
Within any given species, the prospects for survival of any particular individual depend primarily on the amount of food that individual requires.

This is unsupported because while food is identified as one of the factors influencing prospects for survival, we don’t know that it is the primary factor. We also don’t know that it is the primary factor for any individual - our author limits analysis to whole species.

E
Whenever climatic conditions in a given environment are bad enough to threaten large-animal species with extinction, small-animal species are able to find enough food to survive.

This is unsupported because it is possible that climatic conditions are so bad as to affect small and large-species animals. We only know that large-species animals typically fare worse in climate changes.

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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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