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Why save endangered species? For the general public, endangered

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Why save endangered species? For the general public, endangered  [#permalink]

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New post Updated on: 31 May 2017, 00:20
1
5
00:00
A
B
C
D
E

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  75% (hard)

Question Stats:

52% (02:14) correct 48% (02:20) wrong based on 214 sessions

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Why save endangered species? For the general public, endangered species appear to be little more than biological oddities. A very different perception is gained from considering the issue of extinction in a wider context. The important point is that many major social advances have been made on the basis of life forms whose worth would never have been perceived in
advance. Consider the impact of rubber-producing plants on contemporary life and industry: approximately two-thirds of the world’s rubber supply comes from rubber-producing plants and is made into objects as diverse as rubber washers and rubber boots.

Any of the following facts could be used as illustrative examples in addition to the example of rubber-producing plants EXCEPT:

A. The discovery of the vaccine for smallpox resulted from observing the effect of the cowpox virus on the hands of dairy workers.
B. The major source of our pharmaceutical supplies is plants, some of them commonly thought of as weeds.
C. Certain antibiotics were originally derived from mold growing on cantaloupes.
D. Plastic is a unique product derived from petroleum and petroleum by-products.
E. Hamsters and other rodents have played an important role in laboratory tests of medicine for use on humans

Originally posted by inboxsaukar on 18 May 2015, 03:28.
Last edited by broall on 31 May 2017, 00:20, edited 1 time in total.
Reformatted question
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Re: Why save endangered species? For the general public, endangered  [#permalink]

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New post 04 Jun 2015, 19:39
"on the basis of life forms" is the major point here. All options have examples related to life forms except the plastics. Hence, OA is D
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Re: Why save endangered species? For the general public, endangered  [#permalink]

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New post 30 May 2017, 23:14
inboxsaukar wrote:
Why save endangered species? For the general public, endangered species appear to be
little more than biological oddities. A very different perception is gained from considering the
issue of extinction in a wider context. The important point is that many major social advances
have been made on the basis of life forms whose worth would never have been perceived in
advance. Consider the impact of rubber-producing plants on contemporary life and industry:
approximately two-thirds of the world’s rubber supply comes from rubber-producing plants and
is made into objects as diverse as rubber washers and rubber boots.
Any of the following facts could be used as illustrative examples in addition to the example of
rubber-producing plants EXCEPT:
14
A. The discovery of the vaccine for smallpox resulted from observing the effect of the cowpox
virus on the hands of dairy workers.
B. The major source of our pharmaceutical supplies is plants, some of them commonly
thought of as weeds.
C. Certain antibiotics were originally derived from mold growing on cantaloupes.
D. Plastic is a unique product derived from petroleum and petroleum by-products.
E. Hamsters and other rodents have played an important role in laboratory tests of medicine
for use on humans


Can anybody clarify to what life form choice A refers to? Does choice A refer to the usefulness of cows.
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Re: Why save endangered species? For the general public, endangered  [#permalink]

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New post 25 Feb 2018, 13:03
stne
Hi,
I must admit that it's not easy to understand but in A the question referes to the a Virus, so it's a life form. The plastic it's not.
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Re: Why save endangered species? For the general public, endangered  [#permalink]

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New post 13 Apr 2019, 23:15
inboxsaukar wrote:
Why save endangered species? For the general public, endangered species appear to be little more than biological oddities. A very different perception is gained from considering the issue of extinction in a wider context. The important point is that many major social advances have been made on the basis of life forms whose worth would never have been perceived in
advance. Consider the impact of rubber-producing plants on contemporary life and industry: approximately two-thirds of the world’s rubber supply comes from rubber-producing plants and is made into objects as diverse as rubber washers and rubber boots.

Any of the following facts could be used as illustrative examples in addition to the example of rubber-producing plants EXCEPT:

A. The discovery of the vaccine for smallpox resulted from observing the effect of the cowpox virus on the hands of dairy workers.
B. The major source of our pharmaceutical supplies is plants, some of them commonly thought of as weeds.
C. Certain antibiotics were originally derived from mold growing on cantaloupes.
D. Plastic is a unique product derived from petroleum and petroleum by-products.
E. Hamsters and other rodents have played an important role in laboratory tests of medicine for use on humans


Hi,
Can you please break down the question for me. It seems highly disoriented. It starts somewhere and sways somewhere else. I'm unable to catch the flow of the sentences.
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Why save endangered species? For the general public, endangered  [#permalink]

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New post 13 Apr 2019, 23:37
Many social advances have been made "on the basis of life forms".
Only option D talks about "petroleum and petroleum by products" , which are inorganic substances and not "life forms". Plastic has been made on the basis of "petroleum".
Rest all talk about life forms.
D is the correct answer.

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Why save endangered species? For the general public, endangered   [#permalink] 13 Apr 2019, 23:37
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