alien invaders:
Post on 25-Feb-2016
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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?
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