PT153.S1.P2.Q8

PrepTest 153 - Section 1 - Passage 2 - Question 8

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P1

A recent worldwide decline of ocean fishery stocks has stimulated rapid growth in cultivated production of fish and shellfish, usually known as fish farming. ███████ ████ ███ █████ ███ ████████ ██████ ████ ██████████ ████ ███████ ████████ ████ ███████ ████████ █ ███████ ██ ███ ████ ███ █████████ █████ ██ ███████ ████ ██ ██████ ██████████ ██████████ ████ ███████ ████ ████████ ██████ ████ ████ █████████ ██ █████████ █████ ███████ ██████ ███

Intro topic · Fish farming (FF)
Decline in wild fish (ocean fishery stocks) led to more fish farming. Fish farming produces a large portion of the fish we eat.
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Some experts' perspective · FF will restore wild fish populations
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Critique · FF potentially both alleviates and causes decline in wild fish
P2

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Support for Critique (causes decline) · FF can damage wild fish habitats
Intensive fish farming (designed to produce lots of fish) leads to a lot of waste and higher potential for diseases among fish. Wild fish habitats can be destroyed from that waste, those diseases, or the escape of farmed fish species that aren't native to the region.
P3

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Support for Critique (causes decline) · FF requires using a lot of wild fish for food
The farming process for many species requires using more wild fish (by weight) than we get from harvesting the farmed fish.
P4

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Support for Critique (alleviates decline) · Can reduce incentive to capture or eat some wild fish species.
Can reduce prices of some fish, which deters efforts to capture wild versions of those fish. Some farmed fish species can provide alternatives to some other wild fish species.
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Doubt · Benefits of FF for wild fish might be lost
Markets have developed for some wild-caught fish, despite availability of farmed alternatives.
Passage Style
Critique or debate
Problem-analysis
Show answer
8.

There is information in the ███████ ██████████ ██ ██████ █████ ███ ██ ███ █████████ ██████████

a

How does the ██████ ██ ███████ ███ ██████ ██ █ ██████ ██████ ██████ ██ ███████ ████████████

While the passage states that the escape of non-native species can result in habitat destruction, we do not know how. The passage does not contain information that reveals the mechanism of that destruction.

Put differently, if (A) asked, "Can the escape of non-native species result in habitat destruction?" then this would be the right answer choice.

15%
b

What sort of █████████ ██ ████ ████████ ██████ ██ ████ ██████

The passage does not answer this question. We know that shellfish is farmed, and we know some sorts of commonly farmed fish, but we do not know what sort of shellfish is most commonly farmed.

2%
c

Approximately how many █████████ ██ █████ ██ ████████ ████ █ ████ ██████ ███████ ██████ ███ █████████

The passage does not answer this question. There are only two weight amounts mentioned in the passage: 1.9 kilograms, which is the average amount of wild fish feed required for every kilogram of farmed fish produced; and 5 kilograms, which is the amount of wild fish feed required for every kilogram of some species of farmed carnivorous fish. Neither of those weights is how fish much a wild salmon consumes during its lifetime.

8%
d

What proportion of ███ ████ ███ █████████ █████ ██ ██████ ██ ████████ ██ ████ ██████

The passage answers this question: 25%.

74%
e

How long does ██ ████ ███ █████ ███████ ███ ███████████ ████ ██ ████ ██ ███████████ ██████ ██ ████ ████████████

The passage does not answer this question. While it does talk about niche markets starting to develop, it does not say how long before it will have an appreciable effect on wild populations.

2%

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