(~s)
The ~ is a series of living things which are linked to each other because each thing feeds on the one next to it in the series.
The whole ~ is affected by the over use of chemicals in agriculture.
N-COUNT: usu sing
(~s)
The ~ is a series of living things which are linked to each other because each thing feeds on the one next to it in the series.
The whole ~ is affected by the over use of chemicals in agriculture.
N-COUNT: usu sing
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012