plankton

IPA: pɫˈæŋktʌn

(uncountable) Organisms, especially small and microscopic ones, that drift in water.
(uncountable) A plankter, any single organism that drifts in water.

Examples of "plankton" in Sentences

Species classified as plankton feeders are increasing.
Studies show dramatic decrease in plankton as planet warms
The algae are food for plankton, which is food for jellyfish.
One zebra mussel can consume a gallon of water a day and filter out the zoo plankton, which is also food for fish.
As plastics break down in the oceans, they look a lot like organisms called plankton that form the base of the food chain, Cousteau said.
This commonly occurs when wind and waves pummel the shoreline; the water movement pushes in plankton that attracts baitfish and, consequently, bass.
As they move, currents flow around their bodies and deliver tiny floating plants and animals, called plankton, to the stinging cells on the arms or tentacles that trail behind the bell.
No one has ever found an adult of these puzzling crustaceans, despite the plethora of these larvae in plankton, leading generations of marine zoologists to wonder just what y - larvae grow up to be.