Invasive and Native Species

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

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NGSS.MS-LS2-2

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Invasive species alter the ecosystem by _____ in number quickly. This leads to _____ food for the native species.

• increasing, less

• increasing, more

• decreasing, less

• decreasing, more

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TRUE or FALSE? Invasive species grow quickly due to the lack of predators. This leads to a decline or extinction of the native population.

• True

• False

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A species that is not native to an area is called a ---

• Native Species.

• Natural Species.

• Invasive Species.

• Symbiotic Species.

This invasive species came over in boats from Europe in the 1980's. They harm native fish, clog pipes and ruin beaches.

• Sea Lamprey

• Zebra Mussel

• Asian Carp

• Feral Swine

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NGSS.MS-LS2-4

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 predators.

• Invasive species keep the ecosystems in equilibrium.

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NGSS.MS-LS2-4

Which of these words does NOT describe an invasive species?

• alien

• intruder

• non-native

• natural

The primary cause of the introduction of invasive species introduction is ---

• too much food.

• human action.

• weather events.

• asteroids.

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NGSS.MS-ESS3-4

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.

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The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival is called a ---

• Niche.

• Habitat.

• Home.

• Ecosystem.