Plankton are organisms that drift in water (or air) but are unable to actively propel themselves against currents (or wind). [1][2] Marine plankton include drifting organisms that inhabit the saltwater of …

Plankton, marine and freshwater organisms that, because they are nonmotile or too small or weak to swim against the current, exist in a drifting state. Plankton is the productive base of both marine and …

The word “plankton” comes from the Greek for “drifter” or “wanderer.” An organism is considered plankton if it is carried by tides and currents, and cannot swim well enough to move against these …

Mar 29, 2023 · Learn what plankton is. Get the definition and examples of different types of plankton and discover their ecological importance.

Aug 24, 2025 · Plankton are a diverse collection of tiny organisms that drift within water bodies, unable to propel themselves against currents. The term originates from the Greek word for “wanderer” or …

Jul 16, 2025 · A new paper co-authored by Frank Müller-Karger, USF Distinguished University Professor, explores the many benefits that plankton bring to humans and the planet.

What is plankton? Plankton are a collection of tiny organisms that live at and beneath the surface of lakes, rivers, ponds, and oceans across the planet.