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15
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What unexpected effect did mongooses have on native animals in Hawaii?
They ate native birds, and many of those species became extinct.
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15
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What are some nonnative species that make up a major part of our food supply? Name at least two.
wheat, rice, oats, beef, and chicken
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15
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Use "imported" correctly in a sentence.
Answers will vary. Example: American lumberjacks imported trees from Australia into their state of Florida.
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15
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Why is kudzu a serious problem in the South?
It grows around telephone poles and ruins transformers. It smothers trees, covers road signs, and causes accidents.
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15
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Use "eradicate" correctly in a sentence.
Answers will vary. Example: We tried to eradicate the yellow jackets by pouring water down into their nest.
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Why do starlings thrive? Name at least two reasons.
They have good vision and find food quickly. They can push other birds from their nests.
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10
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Why does the author provide captions for the images?
Answers will vary, but mainly so that the reader can picture these alien animals.
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15
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Why are zebra mussels making life difficult along the nation's waterways?
They clog water pipes, boat engines, and other equipment. They smother native shellfish and crowd out fish.
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What effect(s) do melaleuca trees have on the Everglades?
They crowd native plants and drain water. They also repel insects and don't provide food or habitat for native animals.
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15
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Why were muskrats introduced to the Netherlands in 1906?
Fur traders hoped the muskrats would multiply so they could trap them for fur.
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10
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What does "alien" mean in the context of this article?
a nonnative animal or plant
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seesaw
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star
Double points!
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fairy
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lifesaver
Give 15 points!
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10
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What animal arrived in packing crates from China in the mid-1990s?
Asian long-horned beetles
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eraser
Reset score!
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seesaw
Swap points!
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shark
Other team loses 25 points!
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lifesaver
Give 10 points!
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monster
Reset all scores!
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magnet
Take 20 points!
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fairy
Take points!
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thief
Give points!
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10
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Identify two subheadings in this article.
Species on the Move, Import from Australia, Good Effects and Bad Effects, Three Alien Pests, What Should Be Done?
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