bevat sekere groepe relatief eenvoudige lewende organismes wat lig-energie deur fotosintese opneem. Dit word dan gebruik om anorganiese stowwe na organiese materiaal om te skakel.
English: algaenoun
Subject: Waste and waste management
encompass several groups of relatively simple living organisms that capture light energy through photosynthesis, using it to convert inorganic substances into organic matter.
