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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.
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
Why did people in the South plant kudzu?
It was attractive, livestock ate it, and it restored nitrogen to worn-out soil.
What unexpected effect did mongooses have on native animals in Hawaii?
They ate native birds, and many of those species became extinct.
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.
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.
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.
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.
Use "imported" correctly in a sentence.
Answers will vary. Example: American lumberjacks imported trees from Australia into their state of Florida.
Use "thriving" correctly in a sentence.
Answers will vary. Example: The bees had so many wildflowers around them that they were thriving.
Use "nocturnal" correctly in a sentence.
Answers will vary. Example: Racoons are nocturnal creatures because they're most active at night.
Use "eradicate" correctly in a sentence.
Answers will vary. Example: We tried to eradicate the yellow jackets by pouring water down into their nest.
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?
Why does the author provide captions for the images?
Answers will vary, but mainly so that the reader can picture these alien animals.
What animal arrived in packing crates from China in the mid-1990s?
Asian long-horned beetles
What does "alien" mean in the context of this article?
a nonnative animal or plant
