頻度 ひんど依存 いぞん選択 せんたくじゃなかったです
hindoizonsentakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 頻度依存選択

1. Wasn't frequency-dependent selection.; Wasn't a frequency-dependent choice.

Past/Perfective
Negative
Polite
Casual Register
Biology