unusable form of nitrogen for most living things, bacteria "fix" nitrogen into ammonium form, bacteria change ammonium in to usable forms, plants take up usable nitrogen, animals eat to get the nitrogen from their food, plants and animals decompose returning nitrogen to soil, bacteria change usable nitrogen back into unusable form.

Výsledková tabule/Žebříček

Vizuální styl

Možnosti

Přepnout šablonu

)
Obnovit automatické uložení: ?