"Alien species" redirects here. For life on planets other than Earth, see
extraterrestrial life.An introduced species (also known as naturalized species or exotic species) is an
organism that is not
indigenous to a given place or area and instead has been accidentally or deliberately transported to this new location by
human activity. Introduced species can often be damaging to the ecosystem it is introduced to. A
list of introduced species is given in a separate article.
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