Simple categories matching unicellular:

• pathogen,
• microbe,
• form,
• microorganism,
• organism,
• plankton,
• parasite,
• being,
• plant,
• algae,
• eukaryote,
• protoctist,
• chlorophyte,
• animal,
• system,
• creature,
• phytoplankton,
• anaerobe,
• protist,

Members with property unicellular:

• yeast,
• unicellular_form,
• bacteria,
• fission_yeast,
• methanogen,
• desmid,
• algae,
• diatom,
• fungal_cell,
• candida,
• halophile,
• tetra,
• marine_chlorella,
• cryptophyte_alga,
• amoeba,
• ameba,
• vertebrate,
• virus,
• filament_algae,
• protozoa,
• ciliated_protozoan,
• ciliate,
• plant,
• infusoria_euglena,
• several_bacteria,
• fungi,
• mycoplasma,
• paramecium,
• animal,
• protozoan_paramecium,
• prokaryote,
• unicellular_fungi,
• pigeon,
• primitive_protozoan,
• phytoplankton,
• ciliated_protozoa,
• foraminifera_fig,
• flagellate,
• mold,
• cryptophyte,
• sporozoa,
• flagellate_protozoa,
• blue-green_bacteria,
• planktonic_algae,
• magnetic_bacteria,
• rickettsia,
• trichomonad,
• leishmania,
• escherichia,
• blue-green_algae,
• freshwater_chlorella,
• chlorella,
• myxomycetes,
• mycobacterium,
• species,
• filamentous_fungi,
• plant-cell_suspension,
• salmon,
• protozoan_parasite,
• human_ref,
• ciliated_tetrahymena,
• bacterial_cell,
• protozoan,
• malarial_parasite,
• cell,
• common_yeast,
• monad,
• myxobacteria,
• colonial_flagellate,
• plasmodium,
• bacterium,
• saccharomyces-cerevisiae_yeast,
• radiolarian,
• giardia,
• tetrahymena,
• protist,
• said_vector,
• somatic_cell,
• corpuscle,
• cyanobacteria,
• fly,
• unicellular_algae,
• chlorophyte,
• algae_cell,
• dinoflagellate,
• mammalian_cell,
• yeast_cell,
• euglena,
• calcareous_algae,
• fungus,
• escherichia-coli_bacterium,
• xenopus,