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What is the main way that invasive species are transported and introduced to nonnative areas?
Invasive species are mainly transported and introduced to nonnative areas through human activities such as international trade, travel, and agriculture. They may hitch rides on ships, vehicles, or cargo, or inadvertently be released or escape into new habitats.
What are species that migrate or are accidentally introduced into an ecosystem called?
Species that migrate are called migratory species, while species that are accidentally introduced into an ecosystem are called invasive species.
What term defines the kind of species that have been introduced to the ecosystem by man?
exotic species
What is an advantage of keeping nonnative species out of ecosystems?
Nonnative species have no natural controls or competitors and will become more and more invasive. They can crowd out native species until they no longer exist.
Are all introduced species invasive?
No, not all introduced species are invasive. Some introduced species may coexist with native species without causing harm or disruption to the ecosystem. Invasive species are those that negatively impact the environment, economy, or human health.
