. "marine biota"@en . . "0001-01-01T00:00:00"^^ . . . "0001-01-01T00:00:00"^^ . . . . "organisms living in either the pelagic environment (plankton and nekton) or the benthic environment (benthos)"@en . "http://www.britannica.com/science/marine-ecosystem"@en . .