Human Impact Consequences Potential Solutions General Facts ----------
100
Invasive species are spread primarily by what?
Humans/Human Activity
100
When invasive species are introduced, they can make native species go _______.
Extinct
100
What is the process of eliminating an invasive species called?
Eradication
100
Are humans technically invasive species?
Yes
0
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200
What mode of human transportation contributes the most to the spread of invasive species?
Boats/Ships
200
Invasive species can destroy the variety of life in a certain ecosystem, also known as that ecosystem's ____________.
Biodiversity
200
What is the best way for farmers/gardeners to eradicate invasive species?
Herbicides
200
What country has the most invasive species?
The U.S.
0
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300
What is one reason why humans would introduce an invasive species on purpose?
Acceptable Answers: Pest Control, As pets, Decoration
300
Invasive species can cause vast ecological and _______ damage.
Economic
300
Governments are working to ________ the public about invasive species and how to eradicate them.
Educate
300
Name two of the five characteristics of invasive species.
Few predators, Adaptable, Reproduce quickly, Thrive in disturbed systems, Out-competes for food and habitats
0
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400
Why did humans introduce the Water hyacinth to other parts of the world?
They thought it was pretty
400
How many of Guam's eleven forest-dwelling bird species went extinct because of the invasive Brown tree snakes?
Nine
400
How did the Australian government eradicate the invasive prickly pear cactus?
They introduced one of its natural predators
400
Are all alien species established species?
No
0
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500
Where did humans accidentally transport Zebra mussels to?
the Great Lakes
500
How many billion dollars does the U.S. lose every year due to invasive species?
21
500
International fishing vessels are warned to do what to their boats before returning home?
Wash them
500
What humans are harmed the most by invasive species?
Ranchers/Farmers
0
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Invasive Species

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