1. Alien Invaders: An Invasive Species Game

2. a)A. 0.25 liters of water per day b)B. 0.50 liters of water per day c)C. 1.0 liters of water per day 1. Each zebra mussel filters….

3. a)Take a picture b)Dig it up and take it home c)Pick the flowers 2. You find a beautiful plant while on vacation in Mexico, do you

4. a)That are naturally found in an ecosystem b)Are imported to an ecosystem c)Make you sick if you eat them 3. Indigenous plant and animals are those

5. a)Help rebuild them b)Clog them c)Clean them 4. The effect that zebra mussels have on water intake pipes is that they

6. a)True b)False 5. Viruses and other pathogens can be exotic species

7. a)Contact the local Fish and Wildlife Service b)Do an internet search c)Both A and B 6. How could you gain information about exotic species in your area?

8. a)Try to take the niche of a native species b)Have no niche c)Are not organisms 7. The role an organism has in its environment is it niche. Exotic species

9. a)Two b)Three c)Five 8. How many of these are nuisance exotic species? Carp, kudzu, nutria, zebra mussels, sea lamprey

10. a)Are getting more resources b)Getting the same amount of resources c)Getting less resources 9. There are limited resources in any ecosystem. If exotic species are doing well, it usually means the native species

11. a)Leave them there b)Take them home c)Put them in a pond near your house 10. You are visiting the Great Lakes and find zebra mussels on the beach, you should

12. a)A landscaping plant b)For erosion control c)Food for livestock and humans 11. Kudzu was first introduced in this country in 1876. Over the years it has been used as

13. a)It eats their eggs b)It carries diseases c)It preys on other fish by latching onto them and sucking their blood and body fluids 12. The sea lamprey is an exotic species in the Great Lakes. Why is it so damaging to other fish?

14. a)Pull your boat quickly from one lake to another b)Inspect your boat, trailer, and equipment carefully c)Wash your boat in cold water 13. To prevent the transfer of exotic species from one lake to another, you should

15. a)By traveling in the ballast water of freighters b)By attaching to large fish c)Due to voluntary human introduction 14. Zebra mussels probably entered the Great Lakes

16. a)Put it in an aquarium b)Sell it to a pet store c)Leave it alone 15. While traveling through another part of the country you encounter a small tortoise, do you

17. a)Flush them down the toilet b)Find them a new home in another aquarium or donate them to a pet store c)Drop them in a local pond 16. Your aquarium is no longer functioning, what should you do to get rid of the fish?

18. a)Rare organisms b)Organisms brought into the environment that is not their own c)Worth a lot of money 17. Exotic species are

19. a)The exotic species numbers would decrease b)The predators may become a new exotic species c)Native species would repopulate 18. Bringing in natural predators may be a way to handle exotic species. What is a potential problem with this?

20. a)10,000 eggs per year b)100,000 eggs per year c)1,000,000 eggs per year 19. A female zebra mussel can produce up to

21. a)Native species b)Invasive species c)Endangered species 20. Exotic species are also referred to as

22. a)Mile-a-minute b)The vine that ate the South c)Both A and B 21. Kudzu is also known as

23. a)Its activity in the wetland destroys vegetation and leads to erosion b)It chases peoples’ pets c)It eats many of the fish 22. One reason nutria, a large wetland rodent, is considered a nuisance exotic is

24. a)5% b)25% c)50% 23. There have been 185 species of invasive fishes found in US waters. What percent of these invasives are due to the release or escape of aquarium fish?

25. a)It eats fish b)It grows very rapidly, crowding out other species c)It isn’t a threat Giant Salvinia is an aquatic fern from South America. It is a serious threat to wetlands in the country because

26. a)From mosquitos that have bitten infected birds b)From drinking contaminated water c)From eating fish from the Nile River 25. West Nile virus can be passed to humans

27. a)3 inches a day b)12 inches a day c)36 inches a day 26. Kudzu can grow

28. a)One b)Three c)Four 27. How many of these species are considered exotic species in this country? Goldfish, purple loosetrife, sea lamprey, starling

29. a)True b)False 28. The US is the only country that has a problem with invasive species

30. a)Five sea lampreys a day b)One pound of purple loosetrife per day c)78 zebra mussels a day 29. Round gobies can eat up to

31. a)Deserts b)Forests c)Wetlands 30. Purple loosetrife is an invasive species that is invading North American

32. a)Are good for the environment they enter b)Are bad for the environment they enter c)Can be either good or bad, and some have no effect on the environment they enter 31. Exotic species

33. a)Beautify wetlands b)Be used in landscaping c)Feed large herbivores 32. Purple loosetrife was brought to the US to

34. a)Plants b)Animals c)Both 33. Exotic species are

35. a)Up to 6 inches long b)Up to 36 inches long c)Up to 18 inches long 34. A sea lamprey can grow

36. a)True b)False 35. Exotic or invasive species are also referred to as alien species

37. a)By wearing gloves after fishing b)Emptying their bait bucket on land only c)Washing their boat and equipment in hot (104 degree F) water 36. Boaters or anglers can prevent the spread of zebra mussels

38. a)They eat all the eggs of native fish b)They tease the fishermen about not catching anything c)They aggressively take bait from the fishermens’ hooks Why do round gobies make fisherman angry?