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# Members of large-animal species must

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Director
Joined: 30 Jan 2016
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Members of large-animal species must [#permalink]

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13 Jul 2017, 09:13
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Difficulty:

55% (hard)

Question Stats:

62% (01:29) correct 38% (01:39) wrong based on 263 sessions

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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.

The statements above, if true, most support which one of the following?

(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.

(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.

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

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

(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.

Source: LSAT

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Re: Members of large-animal species must [#permalink]

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13 Jul 2017, 09:27
1
The question only says that it is "often" true that bad climate changes affect large animals worse than small ones. So an answer like C is out, because it changes that meaning from "often" to "always". The question also doesn't compare food availability or consumption with other factors that might lead to extinction, which rules out the other answer choices, besides E, which can't be right; the stem doesn't tell us that small species survive any time large ones die out. B just rephrases something the stem says - sometimes food consumption is an important factor that determines how well a species can survive, so B is right.
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Members of large-animal species must consume enormous [#permalink]

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21 Jul 2017, 11:49
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.

The statements above, if true, most supports which of the following?

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.
B. The vulnerability of an animal species to extinction depends at least in part on how much food individuals of that species must consumer to survive.
C. When conditions deteriorate in a given environment, no small-animal species will become extinct unless some large-animal species also becomes extinct.
D. Within any given species, the prospects for survival of any particular individual depends primarily on the amount of food that individual requires.
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.
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Re: Members of large-animal species must consume enormous [#permalink]

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21 Jul 2017, 19:49
1
Skywalker18 wrote:
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.

The statements above, if true, most supports which of the following?

This question is a LSAT question.

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.
The argument mentioned the source of food, not the maximum population size

B. The vulnerability of an animal species to extinction depends at least in part on how much food individuals of that species must consumer to survive.
Correct. This choice is a lighter version of option D and conveys the full linking to the argument.

C. When conditions deteriorate in a given environment, no small-animal species will become extinct unless some large-animal species also becomes extinct.
This choice is irrelevant. The argument said that large animals are more vulnerable to extinction than small animals.
This fact doesn't necessarily mean that no small-animal species will become extinct unless some large-animal species becomes extinct.

D. Within any given species, the prospects for survival of any particular individual depends primarily on the amount of food that individual requires.
This choice is too extremely and is often wrong in CR. "any given species" is wrong and "depends primarily on food"
is wrong. Lack of food is one of many factors that cause species become extinct.

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.
The argument didn't say that small animals were able to find enough food to survive. It just said that small animal species were less vulnerable to extinction than large-animal species
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Re: Members of large-animal species must [#permalink]

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27 Jul 2017, 22:55
Merged topics. Please, search before posting questions!
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Members of large-animal species must [#permalink]

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28 Jul 2017, 01:35
Can someone please elaborate why A is ruled out ?
Director
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Members of large-animal species must [#permalink]

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28 Jul 2017, 03:59
akshata19 wrote:
Can someone please elaborate why A is ruled out ?

Quote:
(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.

Author does not mention anything about "maximum population size", and what is "the main factor in excinction." The factors mentioned are size of animals and amounts of food, but even these factors are not named "main". Hence this answer choice in unsupported by the facts in the stimulus.

Although this is not an assumption question, the wording "main factor" is too strong. Answer choices with strong wording are often incorrect, especially in assumption questions:

Quote:
Avoid answers that claim an idea was the most important consideration for the author.
These answers typically use constructions such as “the primary purpose,” “the top priority,” or “the main factor.” In every Assumption question these answers have been wrong. And, unless, the author specifically discusses the prioritization of ideas in the stimulus, these answers will continue to be wrong because an author can always claim that the idea under discussion was very important but not necessarily the most important idea.

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Members of large-animal species must consume enormous [#permalink]

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Updated on: 18 Sep 2017, 07:46
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.

The statements above, if true, most supports which of the following?

A. The maximum population size that an animal species could maintain on any given amount of food is the main factor determining whether the species will become extinct.
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.
C. When conditions deteriorate in a given environment, no small- animal species will become extinct unless some large-animal species also become extinct.
D. Within any given species, the prospects for survival of any particular individual depend primarily on the amount of food that individual requires.
E. Whenever the 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.
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Originally posted by Skywalker18 on 18 Sep 2017, 06:14.
Last edited by broall on 18 Sep 2017, 07:46, edited 1 time in total.
Merged post. Please search before posting question!
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Re: Members of large-animal species must consume enormous [#permalink]

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18 Sep 2017, 07:07
IMO : Ans:-B
My POE as follows:

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

No discussion on the main factors or minor factors :

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.

Correct.

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

Conditions are not discussed in the passage. when.. unless

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

Not correct : passage discusses only small and large species. Not all (any)
E. Whenever the 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.

Conditions are not discussed in the passage. when..
Re: Members of large-animal species must consume enormous   [#permalink] 18 Sep 2017, 07:07
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