SY24 Invasive Species Flashcard

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What are invasive species?

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Invasive species are non-native organisms that spread widely in a new environment, often causing harm to native species, ecosystems, or human health.

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How do invasive species affect biodiversity?

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Invasive species can decrease biodiversity by outcompeting native species for resources, disrupting food webs, and altering habitats.

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What is an example of an invasive species in freshwater ecosystems?

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The Zebra Mussel is a well-known invasive species that can outcompete native mussels and disrupt freshwater ecosystems.

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What term describes a species that causes harm to the environment, economy, or human health?

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Invasive species.

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What are some economic impacts of invasive species?

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Invasive species can damage crops, fisheries, and infrastructure, leading to increased management costs and economic losses.

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How can invasive animal species alter natural habitats?

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Invasive animals can alter habitats through predation, competition for resources, and disease transmission, leading to declines in native species.

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What challenges do national parks face in managing invasive species?

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Challenges include limited resources, difficulty in eradicating established populations, and potential harm to native species and ecosystems.

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What is the role of competition in the impact of invasive species?

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Invasive species often outcompete native species for food, space, and other resources, leading to declines in native populations.

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What is a common method for controlling invasive species?

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Methods include physical removal, chemical treatments, and biological control using natural predators.

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Why are some species considered non-native?

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Species are considered non-native if they are introduced to an area where they do not naturally occur, often due to human activity.