生物 せいぶつ がく てき多様 たよう せいじゃありませんでした
seibutsuga kutekitayō seija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 生物学的多様性

1. Was not biodiversity.; Wasn't biodiversity.

Past/Perfective
Negative
Polite
Terminal Form