alien invaders:

Alien Invaders:An Invasive Species

Game

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….

a)Take a pictureb)Dig it up and take it

homec)Pick the flowers

2. You find a beautiful plant while on vacation in Mexico, do you

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

a)Help rebuild themb)Clog themc)Clean them

4. The effect that zebra mussels have on water intake pipes is that they

a)Trueb)False

5. Viruses and other pathogens can be exotic species

a)Contact the local Fish and Wildlife Service

b)Do an internet searchc)Both A and B

6. How could you gain information about exotic species in your area?

a)Try to take the niche of a native species

b)Have no nichec)Are not organisms

7. The role an organism has in its environment is it niche. Exotic species

a)Twob)Threec)Five

8. How many of these are nuisance exotic species?

Carp, kudzu, nutria, zebra mussels, sea lamprey

a)Are getting more resourcesb)Getting the same amount of

resourcesc)Getting less resources

9. There are limited resources in any ecosystem. If exotic species

are doing well, it usually means the native species

a)Leave them thereb)Take them homec)Put them in a pond near your

house

10. You are visiting the Great Lakes and find zebra mussels on the beach,

you should

a)A landscaping plantb)For erosion controlc)Food for livestock and

humans

11. Kudzu was first introduced in this country in 1876. Over the years it has been used as

a)It eats their eggsb)It carries diseasesc)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?

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

a)By traveling in the ballast water of freighters

b)By attaching to large fishc)Due to voluntary human

introduction

14. Zebra mussels probably entered the Great Lakes

a)Put it in an aquariumb)Sell it to a pet storec)Leave it alone

15. While traveling through another part of the country you encounter a

small tortoise, do you

a)Flush them down the toiletb)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?

a)Rare organismsb)Organisms brought into the

environment that is not their own

c)Worth a lot of money

17. Exotic species are

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?

a)10,000 eggs per yearb)100,000 eggs per yearc)1,000,000 eggs per year

19. A female zebra mussel can produce up to

a)Native speciesb)Invasive speciesc)Endangered species

20. Exotic species are also referred to as

a)Mile-a-minuteb)The vine that ate the

Southc)Both A and B

21. Kudzu is also known as

a)Its activity in the wetland destroys vegetation and leads to erosion

b)It chases peoples’ petsc)It eats many of the fish

22. One reason nutria, a large wetland rodent, is considered

a nuisance exotic is

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?

a)It eats fishb)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

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

a) 3 inches a dayb) 12 inches a dayc) 36 inches a day

26. Kudzu can grow

a)Oneb)Threec)Four

27. How many of these species are considered exotic species in

this country?

Goldfish, purple loosetrife, sea lamprey, starling

a)Trueb)False

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

a)Five sea lampreys a dayb)One pound of purple

loosetrife per dayc)78 zebra mussels a day

29. Round gobies can eat up to

a)Desertsb)Forestsc)Wetlands

30. Purple loosetrife is an invasive species that is invading

North American

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

a)Beautify wetlandsb)Be used in landscapingc)Feed large herbivores

32. Purple loosetrife was brought to the US to

a)Plantsb)Animalsc)Both

33. Exotic species are

a)Up to 6 inches longb)Up to 36 inches longc)Up to 18 inches long

34. A sea lamprey can grow

a)Trueb)False

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

a)By wearing gloves after fishingb)Emptying their bait bucket on

land onlyc)Washing their boat and

equipment in hot (104 degree F) water

36. Boaters or anglers can prevent the spread of zebra mussels

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?