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Invasive Species: Test Your Knowledge!

Help Combat Invasives! Help us combat invasives in Ohio. Help us protect native plants and animals by preventing and abating invasive species threats to biological diversity. Purple loosestrife is an invasive in Ohio © John Randall/TNC Go Deeper Learn more about our strategies for combating invasive species. Take action!  Read about six easy ways to combat invasives, while knowing what you are looking for with our our online invasives ID guide. Become an expert by downloading our Invasive Plant List Wallet Card (.pdf, 200 kb) and Invasive Species Initiative Brochure (.pdf, 596 kb) Other Resources Visit our Global Invasive Species Initiative site and find our more about our invasive projects.

Test your knowledge of invasive species with our interactive Invasive Species quiz! Can you answer all of the following questions and get a perfect score?

Click on the links that you think best answer each quiz question below. Good luck!

Note: Please enable JavaScript in your web browser to use this interactive invasive species quiz.

1. 1.  A species that occurs in the region in which it evolved is called:
   1. an invasive species
   2. a natural species
   3. a native species
   4. an exotic species
2. 2.  Why do we need to maintain native plant populations?
   1. Clean air and water
   2. Soil stability
   3. Food and shelter for wildlife
   4. All of the above
3. 3.  Ohio has 2,300 different types of plants that grow wild in Ohio. How many of these are non-native, that is, they are from another state or country?
   1. 50
   2. 150
   3. 500
   4. 1,000
4. 4.  Why are non-native plants brought into Ohio?
   1. medicinal use
   2. erosion control
   3. accident
   4. All of the above
5. 5.  All non-native, or exotic, plants are invasive.
   1. True
   2. False
6. 6.  Invasive plants are usually characterized by:
   1. Fast growth rates
   2. High fruit production
   3. Rapid spread
   4. All of the above
7. 7.  All invasive species are plants.
   1. True
   2. False
8. 8.  Zebra mussels, an invasive species that is pushing local species of freshwater shellfish to extinction, were introduced to the Great Lakes by:
   1. Migrating Native Americans
   2. Teenagers playing a prank
   3. Ballast water (sea water that ships carry for stability and then discharge)
   4. None of the above
9. 9.  Purple loosestrife invades approximately how many acres of wetlands each year? Hint: it’s an area the size of Rhode Island!
   1. 500,000 acres
   2. 1,000,000 acres
   3. 3,000,000 acres
   4. 5,000,000 acres
10. 10.  Each year, invasive species are estimated to cost the U.S. economy:
    1. $12 million
    2. $120 million
    3. $12 billion
    4. $129 billion

Invasive Species Quiz Scoring Guide

• 0-2 correct: Hmmm... You still have a lot to learn. Check out the basics.
• 3-5 correct: You are getting there. Here are some facts about Ohio's invasives to help you do better!
• 6-8 correct: Nearly a pro! Check out Ohio's invasive plant distribution maps to sharpen your skills.
• 9-10 correct: Excellent work!  Now it's time to take action!