Understanding Invasive Species

What is an invasive species?

• An organism that only exists in one specific location.

• A native species that supports local ecosystems.

• An invasive species is a non-native organism that disrupts local ecosystems.

• A species that is beneficial to agriculture.

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How do invasive species affect local ecosystems?

• Invasive species have no effect on local ecosystems.

• Invasive species only benefit the local economy by increasing tourism.

• Invasive species negatively impact local ecosystems by outcompeting native species, altering habitats, and disrupting food webs.

• Invasive species enhance biodiversity by supporting native species.

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Name one effect of invasive species on native plants.

• Enhancing soil quality for native plants.

• Increasing biodiversity in ecosystems.

• Providing food for native species.

• Outcompeting native plants for resources.

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What is a common invasive species found in North America?

• Asian carp

• Zebra mussel

• Emerald ash borer

• Burmese python

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How can invasive species impact animal populations?

• Invasive species can negatively impact animal populations by outcompeting them for resources, introducing diseases, altering habitats, and preying on them.

• Invasive species help increase animal populations by providing new food sources.

• Invasive species only impact plant populations, not animals.

• Invasive species have no effect on animal populations whatsoever.

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What is the term for a species that is not native to an area?

• native species

• endemic species

• alien species

• indigenous species

Name a method used to control invasive species.

• Biological control

• Habitat destruction

• Mechanical removal

• Chemical control

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What is one way invasive species can spread?

• Through natural selection in ecosystems.

• By migrating with wildlife populations.

• Via changes in climate patterns.

• Through human activities like global trade.

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How can humans help prevent the spread of invasive species?

• By introducing more invasive species to the area.

• By using chemical pesticides indiscriminately.

• By ignoring local regulations on wildlife.

• By cleaning gear, disposing of waste properly, and educating others.

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What role do invasive species play in competition for resources?

• Invasive species enhance biodiversity by providing new habitats.

• Invasive species do not affect resource competition among species.

• Native species thrive better in the presence of invasive species.

• Invasive species compete with native species for resources, often leading to reduced biodiversity and ecosystem disruption.

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