ZOOPLANKTONS Antonyms

• (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants

• a region including the bottom of the sea and the littoral zones

• organisms (plants and animals) that live at or near the bottom of a sea, lake, river or stream

• the taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools; distinct from the green plants

• large brown seaweeds having fluted leathery fronds

• the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales

• photosynthetic or plant constituent of plankton; mainly unicellular algae

• plant growing in the sea, especially marine algae

• All the organisms that live at the surface of water.

• (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein

• a harmful or corrupting agency

• a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer