a multicellular organism is large enough to be visible
vertebrate is multicellular_organism. multicellular_organism is living_organism. multicellular_protist is multicellular_organism. gametophyte is multicellular_organism. large_multinucleate_cell is large_cell. multicellular_algae is multicellular_organism. sporophyte is multicellular_organism. multicellular_zygote is multicellular_organism. multicellular_organism_cells is cell. metabolism_multicellular_organism is metabolism_in_organism.