What term defines kind of species that have been introduced to an ecosystem by man?

Answer;

-Exotic species

Explanation;

-An exotic species or an introduced species ( or alien species, non-indigenous species, or non-native species) is a species living outside its native distributional range, which has arrived there by human activity, either deliberate or accidental.

-The major distinguishing feature between exotic and invasive species is that exotic species is harmless to the ecosystem whereas invasive species is harmful to the ecosystem.

-For example important introduced pest species which include chestnut blight, Dutch elm disease, etc. and plant species such as honeysuckle, buckthorn, etc.

it takes hundreds of years to become stable.

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