Invasive Species

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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 and ecosystems.

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What is one way invasive species can enter a new ecosystem?

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Invasive species can enter new ecosystems through human activities, such as pet owners releasing unwanted pets into the wild.

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What does the term 'ecosystem' refer to?

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An ecosystem is a community of living organisms interacting with their physical environment.

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What impact do invasive species have on native species?

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Invasive species can outcompete native species for resources, leading to declines in native populations.

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What is the role of predators in an ecosystem?

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Predators help control the population of prey species, maintaining balance in the ecosystem.

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What does 'invade' mean in the context of ecology?

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To invade means to move into an area and cause harm to the existing organisms.

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Why are scientists concerned about invasive species?

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Scientists are concerned because invasive species can disrupt ecosystems, harm native species, and lead to biodiversity loss.

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What is one example of an invasive species?

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The lionfish is an example of an invasive species that has harmed coral reef ecosystems in the Atlantic Ocean.

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How can invasive species affect food chains?

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Invasive species can alter food chains by preying on native species, leading to a decrease in food availability for other organisms.

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What is a common method to control invasive species?

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Common methods include physical removal, chemical treatments, and introducing natural predators.