Alien Invaders:

1. Alien Invaders: An Invasive Species Game

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

21. 20. Exotic species are also referred to as Native species Invasive species Endangered species

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

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

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

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

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

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

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

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

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

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

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

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

34. 33. Exotic species are Plants Animals Both

35. 34. A sea lamprey can grow Up to 6 inches long Up to 36 inches long Up to 18 inches long

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

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

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