Invasive Species

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What is an invasive species?

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An invasive species is a non-native species that is introduced to an area where it does not naturally occur.

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What effect do invasive species have on the carrying capacity of an ecosystem?

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Invasive species can decrease the carrying capacity for native species that compete for the same resources.

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How do non-native plants threaten native plants in a new habitat?

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Non-native plants threaten native plants by competing for resources such as light, water, and nutrients.

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What are native species?

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Native species are species that are indigenous to an area and have evolved there without human intervention.

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What is one potential positive effect of invasive species on biodiversity?

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Invasive species can sometimes lead to increased biodiversity, although this is generally not the case.

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What are some common characteristics of invasive species?

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Invasive species often reproduce quickly, have few natural predators, and can thrive in a variety of environments.

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Why are invasive species a concern for ecosystems?

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Invasive species can disrupt local ecosystems, outcompete native species, and lead to declines in biodiversity.

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What role do human activities play in the spread of invasive species?

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Human activities, such as global trade, travel, and habitat modification, facilitate the introduction and spread of invasive species.

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Can invasive species ever be beneficial?

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In some cases, invasive species can provide benefits such as new resources or ecosystem services, but these benefits are often outweighed by negative impacts.

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What is the difference between an invasive species and an exotic species?

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An exotic species is any non-native species, while an invasive species is a specific type of exotic species that causes harm to the ecosystem.