LS2.5 Invasive Species 2020

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What is an invasive species?

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An invasive species is a non-native species that spreads widely in a new habitat and causes harm to the environment, economy, or human health.

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What are the characteristics of an invasive species?

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Invasive species are typically non-native to the ecosystem, have few or no natural predators, and can outcompete native species for resources.

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How do invasive species affect native populations?

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Invasive species can decrease native populations by outcompeting them for food, space, and other resources.

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What is a native species?

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A native species is a species that is originally from an area and has lived in the same place for a long time.

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What is the impact of the Emerald Ash Borer?

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The Emerald Ash Borer is an invasive beetle that attacks and kills ash trees, leading to significant ecological and economic damage.

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How did zebra mussels arrive in the Great Lakes?

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Zebra mussels arrived in the Great Lakes by attaching to the bottoms of ships that traveled from their native habitat.

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What is one method to control invasive species without harming native species?

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Releasing native predators, such as wasps that eat invasive larvae, can help control invasive species like the Emerald Ash Borer.

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What is the role of predators in controlling invasive species?

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Predators can help keep invasive species populations in check, preventing them from outcompeting native species.

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What is Kudzu and why is it considered invasive?

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Kudzu is a fast-growing vine that is invasive in Tennessee because it has few natural predators and can outcompete native plants.

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What are some examples of invasive species in Tennessee?

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Examples of invasive species in Tennessee include Kudzu, the Emerald Ash Borer, and the Asian Carp.