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New research shows that some marine organisms such as eels are facing

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New research shows that some marine organisms such as eels are facing  [#permalink]

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New post 25 Nov 2018, 09:00
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New research shows that some marine organisms such as eels are facing a severe threat to their survival because of the increasing marine noise pollution. Researchers found that when exposed to acute noises such as those typical of large fishing ships, European eels reacted very differently to predator attacks; the likelihood of their response to an ambush by a predator decreased by 50% and the reaction times of the ones that did respond were delayed by as much as 25%.

Which of the following can be concluded on the basis of the information given in the above passage?

A.
In the presence of acute sounds such as those coming from a large fishing ship, marine organisms such as eels cannot hear predators approaching
B.Fishing ships contribute to the endangerment of many marine organisms both directly and indirectly.

C.For European eels, the likelihood of a delay in their reaction time to an ambush by a predator increases with the increase in noise pollution.


D.Marine noise pollution increases the likelihood of a marine predator successfully catching its prey in some instances.

E. When exposed to acute noises in a danger situation, some marine organisms lose control of most of their reflex actions.

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New research shows that some marine organisms such as eels are facing  [#permalink]

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New post 30 Nov 2018, 05:15
Cbirole wrote:
New research shows that some marine organisms such as eels are facing a severe threat to their survival because of the increasing marine noise pollution. Researchers found that when exposed to acute noises such as those typical of large fishing ships, European eels reacted very differently to predator attacks; the likelihood of their response to an ambush by a predator decreased by 50% and the reaction times of the ones that did respond were delayed by as much as 25%.

Which of the following can be concluded on the basis of the information given in the above passage?

A.
In the presence of acute sounds such as those coming from a large fishing ship, marine organisms such as eels cannot hear predators approaching
B.Fishing ships contribute to the endangerment of many marine organisms both directly and indirectly.

C.For European eels, the likelihood of a delay in their reaction time to an ambush by a predator increases with the increase in noise pollution.


D.Marine noise pollution increases the likelihood of a marine predator successfully catching its prey in some instances.

E. When exposed to acute noises in a danger situation, some marine organisms lose control of most of their reflex actions.



TommyWallach DmitryFarber

Isn't (D) generalizing the statement?

We are concerned with noise pollution and effects of noise pollution on eels. We know this affects eels as it makes eels easier to be preyed upon.
But what about effects of noise pollution on other species of prey? We dont know if noise pollution affects them. Hence (D) is a generalization.
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New research shows that some marine organisms such as eels are facing  [#permalink]

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New post 30 Nov 2018, 12:45
ParthSanghavi No, D isn't a generalization because it is about "some cases." "Some" basically means "not zero." This is the kind of vague statement that is easy to infer because it isn't saying much. Since this happens to eels, it happens some of the time. It would be a generalization if we said that this usually happened, or that it happened to most/all organisms.
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Re: New research shows that some marine organisms such as eels are facing  [#permalink]

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New post 30 Nov 2018, 18:59
1
why C is not correct?

And in D , how can we assume that delay response makes marine more likely to be catched by a predator ?

Expert please explain.
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Re: New research shows that some marine organisms such as eels are facing  [#permalink]

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New post 05 Dec 2018, 06:12
I also have a doubt about option (E)
It states that the some Marine organisms loose their reflexes due to acute noises,which is true. Frequently hearing the acute sounds coming from big ships will result in loss of reflexes and the organisms wont be able to respond to attack on time.
The same can be concluded from the last part of the passage - "response to an ambush by a predator decreased by 50% and the reaction times of the ones that did respond were delayed by as much as 25%."

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Re: New research shows that some marine organisms such as eels are facing &nbs [#permalink] 05 Dec 2018, 06:12
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