You searched for: “meroplankton
meroplankton (s) (noun), meroplankton; meroplanktons (pl)
Plant or animal larvae or eggs of organisms in marine coastal areas that spend only part of their life cycle as plankton, and being nekton or benthic dwellers at another time: Meroplankton pass only part of their course of developmental changes drifting or swimming weakly in water, such as the larvae of sea urchins, starfish, crustaceans, worms, and clams.
mesoplankton (s) (noun), meroplankton (pl)
A plant or animal organism of intermediate body size, between macroplanktons, which are large, and microplanktons, that are very small: The mesoplankton thrive between about a hundred fathoms from the bottom of the sea and a hundred from the surface, or between the epiplanktonic and bathyplanktonic levels.
This entry is located in the following units: meso-, mes-, mesi- (page 7) plankto-, plankt-, -plankton (page 3)