侵入 しんにゅう生物 せいぶつではありませんでした
shinnyūseibutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 侵入生物

1. Was not an invasive species.; Was not a harmful organism.

Past/Perfective
Negative
Polite
Formal Register
Biology