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- 1. Multiple Choice
What is an invasive species?
An organism that is new to an environment that has positive effects on the environment.
An organism that is native to an environment that has negative effects on the environment.
An organism that is new to an environment that has negative effects on the environment.
An organism that is native to an environment that has positive effects on the environment.
- 2. Multiple Choice
Invasive species can have a major impact on the ecosystem.
TRUE
FALSE
- 3. Multiple Choice
Invasive species can crowd out native species.
TRUE
FALSE
- 4. Multiple Choice
Invasive species don't harm native species that are beneficial to the environment.
TRUE
FALSE
- 5. Multiple Choice
Why do the populations of invasive species grow so quickly?
Invasive Species are native to an area.
Invasive species are prey to many animals.
Invasive species have no natural predators.
Invasive species keep the ecosystems in equilibrium.
- 6. Multiple Choice
Click on the map to help answer this question: What can we predict about the population of Feral Swine for the year 2016?
There will be less feral swine in 2016 than there were in 1982.
There will be more feral swine in 2016 than there were in 2010
There were fewer feral swine in 2004 than 1982.
There will be no change in feral swine population.
- 7. Multiple ChoiceInvasive species alter the ecosystem by a___________in number quickly,this leads to _____ food for the native species.increasing lessdecline decreasing
- 8. 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
- 9. Multiple ChoiceIf a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?IncreaseDecreaseStay the sameNo affect on smaller fish
- 10. 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
- 11. Multiple ChoiceWhat's one EFFECT of pythons invading the Everglades?the number of small mammals, like mice, are decreasingthe number of white-tailed deer is increasingpythons can grow to be 18 feet long
- 12. Multiple ChoiceWhat's one problem with the pythons gobbling up all the small animals in the Everglades park? (paragraph 4)other animals can't find any foodthe deer weighed a total of 160 poundsScientists don't know exactly how many pythons are out there
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