= Heterotrophic picoplankton
{wiki=Heterotrophic_picoplankton}
Heterotrophic picoplankton refers to a group of microscopic organisms that are typically less than 2 micrometers in size and are primarily non-photosynthetic. These organisms play a crucial role in the aquatic ecosystem by feeding on organic matter, including bacteria and dissolved organic carbon. Heterotrophic picoplankton includes a variety of microorganisms such as bacteria and archaea that are involved in nutrient cycling and energy flow within marine and freshwater ecosystems.
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