Metazoa
Metazoans are multicellular organisms that feed on leftover bacteria, algae, and smaller protozoa. Fixed film systems will have more metazoan than an activated sludge system. Metazoans include rotifers, nematodes, and water bears.
Metazoans are multicellular organisms that feed on leftover bacteria, algae, and smaller protozoa. Fixed film systems will have more metazoan than an activated sludge system. Metazoans include rotifers, nematodes, and water bears.