You searched for: “picoplankton
Tiny planktonic organisms ranging in size from 0.2 to 2.0 micrometers.
Great fleas have little fleas upon their backs to bite ’em,
And little fleas have lesser fleas, and ad infinitum.
And the great fleas themselves, in turn, have greater fleas to go on;
While these again have greater still, and greater still, and so on.
— Augustus de Morgan, noting the expanding scales of life and their connections.
This entry is located in the following units: pico- [PEE koh] (page 1) plankto-, plankt-, -plankton (page 4)