The assortment of tiny or microscopic organisms, including algae and protozoans, that float or drift in great figures in fresh or salt water, specially at or close to the surface, and act as food for fish also bigger organisms.
a generic term for all the organisms that float into the water. Just one organism is known as a plankter
all animals and plants, taken collectively, which live at or close to the area of salt or fresh oceans.
In biology: The small creatures and plants, including especially the reduced organisms, that float or swim together when you look at the liquid, considered collectively and in comparison, with those that live upon the base in water, or on land.
The minor pets and plants that float passively into the liquid, considered collectively plus in contrast with the ones that swim earnestly. See nekton.
Specifically in phytogeography, an aquatic vegetation comprising freely floating microscopic algæ.
the aggregate of small plant and pet organisms that float or drift in great numbers in fresh or sodium water