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Sea turtles, reptilian amphibians that are classified

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Sea turtles, reptilian amphibians that are classified  [#permalink]

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New post 26 Jun 2018, 20:26
2
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Question Stats:

97% (01:49) correct 3% (00:00) wrong based on 37

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Question 2
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89% (00:50) correct 11% (00:21) wrong based on 38

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Question 3
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15% (00:58) correct 85% (01:01) wrong based on 39

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Question 4
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64% (00:42) correct 36% (01:07) wrong based on 36

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Sea turtles, reptilian amphibians that are classified into seven distinct sub-species, are quickly beginning to rank among some of the most endangered species on the planet. These ancient reptiles are vital to Earth’s ecosystem because they feed on botanical life that grows on sea beds and thereby help maintain the natural habitat of several other marine life forms. Further, unhatched sea turtle eggs provide nutrients for plants that grow beneath the surface of the sea, which in turn strengthen sand dunes through their root systems and help prevent beaches from eroding.

Ironically, human attempts to preserve the marine environment in which sea turtles live are causing the species’ numbers to dwindle even faster. In an effort to protect sea turtles that nest on the beaches, in some popular fishing areas local authorities have placed restrictions on the amount of fishing in order to protect the turtles from being caught in fishing nets and drowning. However, the reduction in the amount of fishing in these areas has led to an increase in the numbers of the giant cuttlefish, which feed on the same underwater plants as the sea turtles do. The subsequent decrease in the turtles’ food source, particularly the sea grass that is part of the turtles’ staple diet, has not only led to an alarming reduction in the number of sea turtles in these areas but also affected the balance of the marine ecosystem in these regions.


1. The passage is primarily concerned with
A. questioning certain human activities that are causing damage to not only the local fishing communities but also to a vital endangered species
B. outlining the reasons behind the importance of a certain species to the Earth’s ecosystem
C. establishing the relevance of a species and analyzing how a solution to protect it might be defeating its very purpose
D. arguing that sometimes plans to rectify situations may actually cause more harm than good
E. explaining how some attempts to reduce fishing have not been successful

A. Incorrect: Out of Scope

The passage does not really question these activities as much as it presents their effects, which are counter to what was expected. Also, there is no mention of any damage caused to the local fishing communities.
B. Incorrect: Partial Scope

This is the scope of only the first paragraph and not of the entire passage.
C. Correct

This choice matches the result of our passage analysis and our pre-thinking.
D. Incorrect: Out of Scope

This choice is too broad in scope. The author does not argue for any such generalized opinion. The author does analyze one situation in which the results have been the opposite of what they were expected to be, but that’s not to make any broad statement. Also, this choice does not even mention the relevance of the species that forms the essence of the first paragraph.
E. Incorrect: Inconsistent

The fact that there have been some attempts to reduce fishing is not the main point of the passage. Also, since the number of cuttlefish has increased, the attempts to reduce fishing in some areas were probably successful.



2. The author suggests which of the following about sea turtles?
A. An increase in the number of sea turtles will probably lead to a decrease in the number of giant cuttlefish.
B. Restrictions in the amount of fishing in some areas have led to an increase in illegal poaching of sea turtles.
C. In some areas, sea turtles would probably be less endangered if giant cuttlefish populations were lower in number.
D. The plants that form part of the diet of sea turtles are found only on the seabed.
E. Sea turtles are more endangered than turtle species that live on land.

A. Incorrect: Out of Scope

No information is provided about the possible results of an increase in the number of ST. According to the passage, the number of GC has increased because of reduction in fishing. We do not know if GC would be affected by an increase in the number of ST.
B. Incorrect: Out of Scope

No information is provided to deduce anything about the poaching of sea turtles.
C. Correct

Since the passage states that increased giant cuttlefish (GC) numbers have led to a decrease in ST numbers, this choice can be inferred.
D. Incorrect: Out of Scope

We cannot infer that these plants are found only on the sea bed.
E. Incorrect: Out of Scope

The passage does not make any comparison between ST and land turtles.



3. Which of the following CANNOT be inferred from the passage?
A. The habitat of some marine organisms is impacted by the existence of the sea turtles.
B. The staple diet of two marine organisms can be the same.
C. Even without feeding on plants, sea turtles can be useful to the environment they are born in.
D. Some attempts to help the endangered species of sea turtle have had effects that had not been predicted.
E. The giant cuttlefish were being caught in greater numbers before certain restrictions on fishing were placed in some areas.

A. Incorrect: Can be Inferred

The author states in the first paragraph that the sea turtles feed on botanical life that grows on sea beds and thereby help maintain the natural habitat of several other marine life forms. Hence, the information given in this choice can be inferred.
B. Correct: Out of Scope

The passage states that GC feeds on the same plants as ST and one of these plants forms the staple diet of ST. However, there is no given information tosuggest that this plant is also the staple diet of GC.
C. Incorrect: Can be Inferred

This statement can be derived from the information given to us about the unhatched sea turtle eggs. These eggs, we are told, provide nutrients for certain plants that in turn prevent beaches from eroding.
D. Incorrect: Can be Inferred

This statement can be inferred as we are told in the second paragraph that the efforts to help the species have caused harm instead. It is obvious that this effect was not a part of the plan.
E. Incorrect: Can be Inferred

We are told that as result of the restrictions, the numbers of the GC increased. Therefore, we can conclude that before these restrictions, there were being caught in greater numbers.


4. The author refers to the giant cuttlefish in order to
A.explain how some species can thrive despite human activities
B. provide an example of a marine organism that forms part of the staple diet of another marine organism
C. identify a species that is highly endangered
D. describe an event that has led to more than one adverse effect
E. argue in favor of a way in which a particular species can be protected

This is a Function question. The author says that efforts to reduce fishing have increased the number of GC. GC eat the same food as ST do, and increase in GC numbers has (1) led to a reduction in ST numbers and (2) affected the balance of the ecosystem.
A.Incorrect: Opposite

GC has increased in numbers because of human activity, not despite it.
B. Incorrect: Out of Scope

The author does not state that GC are eaten by any other marine organism.
C. Incorrect: Out of Scope

The author does not identify GC as an endangered species.
D. Correct

This choice correctly identifies the function of the sentence. As stated in the pre-thinking, the increase in the number of GC has both led to a decrease in the number of ST and affected the marine ecosystem.
E. Incorrect: Out of Scope

The author does not argue in favor of any method of protecting a species.


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Re: Sea turtles, reptilian amphibians that are classified  [#permalink]

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New post 26 Jun 2018, 23:29
8:45 minutes - 3/4 correct. Got last question wrong.
Not able to reduce the time :(
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Re: Sea turtles, reptilian amphibians that are classified &nbs [#permalink] 26 Jun 2018, 23:29
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