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- 1. Multiple Choice
Which of the following sentences BEST shows the high reproduction rates of lionfish?
The fish mature in a year and females can spawn every four days, pumping out 2 million eggs a year.
The lionfish population exploded in the Florida Keys and the Bahamas between 2004 and 2010.
"They're moving into new areas and, when they get settled, the population increases pretty quickly."
Lionfish now are more common in the Bahamas than their home waters.
- 2. Multiple ChoiceEradication of non-native species is a difficult task. Prevention is easier. Why?There are no natural diseases or predators for invaders so they grow exponentially.The species have a higher reproductive rate than native species.The species can successfully out-compete native species.
- 3. Multiple ChoiceThe electric fence is "keeping" the Asian Carp out of the Great Lakes so far according the the Army Corp or Engineers. What potential problems will the fish pose if they get in.A physical danger to boatersThey may eat too much of the base of the food chain.They may be a new source of food.A and B only
- 4. Multiple ChoiceMost invasive species get from their native ecosystem by:the exotic pet tradetransported by humanplanted in landscapesall of the answers
- 5. Multiple ChoiceWhich choice accurately describes an invasive species?A native species in that areaAn organism that has many natural predatorsA non-native species in that areaA species organism whose population is well undercontrol
- 6. Multiple ChoiceWhy do populations of invasive species grow so quickly?Invasive species have many different natural predatorsInvasive species have no natural predatorsInvasive species are harmful to the ecosystemInvasive species populations don't grow quickly
- 7. Multiple ChoiceA ____________ plant species is one that came from one area to another area due to human action.WeedNativeInvasiveNone of the above
- 8. Multiple Choice1. What makes a species invasive?Moving to a new ecosystem and taking resources from nativesNot having papersSpecies that can't adaptPlants that take up too much space
- 9. Multiple ChoiceBiodiversity refers toextinct speciesthe variety of species on Earthnonrenewable resourcesthe rate of species decline
- 10. Multiple ChoiceThe lack of natural predators makes populations of invasive species unmanageable?TrueFalse
- 11. Multiple ChoiceHow do invasive plants damage the environment?Compete with native speciesChange plant communityAlter diversityAll of these
- 12. Multiple Choice
Where did kudzu first come from?
China
Japan
USA
Guam
- 13. Multiple Choice
This invasive plant came from Asia and was believed to be a pretty decoration. Unfortunately, it covers native plants and blocks sunlight from reaching them.Kudzu VineFeral SwineSea LamprepyZebra Mussels - 14. Multiple ChoiceAn invasive species can be natural (as in a result or imigration due to habitat loss) or can be a result of human activity. True or false?TrueFalse
- 15. Multiple ChoiceA __________ includes all living and non-living things in an environment.populationnicheabitoticecosystem
- 16. Multiple Choice
Why were many nonnative species brought into the US?
Sources of food
Pest Control
Sports, such as hunting
All of the above
- 17. Multiple ChoiceWhat is an adaptation?a migratory patterncharacteristics that increase an organisms chance of survivalCharacteristics that adds onto an organisms that gives it superpowers
- 18. Multiple ChoiceWhat do successful adaptations allow organisms to do?survive and reproduceGrow and Eat moreEat and Play
- 19. Multiple ChoiceWhen taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?Non-native plants are able to mutate rapidlyNon-native plants cause native animals to relocateNon-native plants are able to be used for medicineNon-native plants compete with native plants for resources
- 20. Multiple ChoiceWhat effect will an invasive species have on the carrying capacity of an ecosystem?The carrying capacity will increaseThe carrying capacity for everyone will decreaseThe carrying capacity will only decrease for those in competition for same resourceThe carrying capacity for all animals will stay the same
- 21. Multiple ChoiceKudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:Parasitism between kudzu and the native plantsA predator prey relationship between ground plants and kudzuCompetition occurring between the native and invasive speciesCommesalism occurring between the kudzo and native plants
- 22. Multiple ChoiceThe field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:A. The mice like to reproduceB. A lack of a native species to eat the field mouseC. Abundant food supplyBoth B and C
- 23. Multiple ChoiceHow did the zebra mussels end up in the Great Lakes?In ballast tanks of shipsThey were intentionally releasedThey have always been in the Great LakesThat's not a zebra mussel
- 24. Multiple Choice1. What makes a species invasive?Moving to a new ecosystem and taking resources from nativesNot having papersSpecies that can't adaptPlants that take up too much space
- 25. Multiple ChoiceWhich of the following is a key characteristic of most invasive species?Ability to breathe in the air & in the waterLarge, sharp teethProduce many offspringIs a top predator
- 26. Multiple ChoiceInvasive species have a negative impact on...the ecosystemthe economyBoth the ecosystem and the economyNone of these
- 27. Multiple Choice
What do invasive species do to the habitat they move into?
crowd out local plants and animals
eat all the mice and deer
create a food chain
- 28. Multiple Choice
What's one problem with the pythons gobbling up all the small animals in the Everglades park?
other animals can't find any food
the deer weighed a total of 160 pounds
Scientists don't know exactly how many pythons are out there
- 29. Multiple ChoiceWhen taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?Non-native plants are able to mutate rapidlyNon-native plants cause native animals to relocateNon-native plants are able to be used for medicineNon-native plants compete with native plants for resources
- 30. Multiple ChoiceThe Asian Carp is causing what type of damage/risks to native animals?A. It is eating the food of the native fish.B. It is jumping out of the water, injuring boaters.C. It destroys crops and clogs pipes.D. Both answers A and B are correct.
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