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WorksheetsPW 2 (RW)Unit 4: Where Have All the Fish Gone? p. 65-66
Total questions: 20
Worksheet time: 2hrs 40mins
Use the image or p.65-66 to complete the following:
THROUGHOUT HISTORY, people have thought of the ocean as a (a) and limitless source of food.
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People are taking so many fish from the sea that (a) cannot replace themselves.
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Large commercial fishing companies began catching enormous (a) of fish for profit and selling them to worldwide markets
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In 2003, a scientific report (a) that only 10 percent remained of the large ocean fish populations that existed before commercial fishing began.
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In 2003, a scientific report estimated that only 10 percent remained of the large ocean fish (a) that existed before commercial fishing began.
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Specifically, commercial fishing has greatly (a) the number of large predatory fish, 3 such as cod and tuna.
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This trend is a problem because (a) need predators to be stable.
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This trend is a problem because ecosystems need predators to be (a) .
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As a result, fish are less able to (a) difficulties such as pollution, environmental change, or changes in the food supply.
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However, the researchers say we can prevent this situation if we (a) the ocean’s biodiversity.
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If you (a) something, you make it less.
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To (a) is to continue to live or exist
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If something is (a) it has things that are very different from each other.
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A(n) (a) is a group of plants or animals whose members are very similar to each other.
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A(n) (a) is a number or an amount
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A(n) (a) is the relationship between all the plants and animals that live together in a particular area.
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If you (a) something, you make it the way it was before.
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When you (a) something’s size or number, you make a guess based on the information available.
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Something that is (a) is not likely to change
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The (a) is the number of people or animals that live in a particular place.
