organism vs throwback

Other hyponyms of organism include benthos, dwarf, heterotroph, parent, individual, mortal, person, somebody, someone, soul, animal, animate being, beast, brute, creature, fauna, flora, plant, plant life, native, recombinant, conspecific, carrier, denizen, amphidiploid, diploid, haploid, heteroploid, polyploid, animalcule, animalculum, micro-organism, microorganism, aerobe, anaerobe, cross, crossbreed, hybrid, polymorph, congenator, congener, congeneric, relative, plankton, nekton, parasite, host, commensal, myrmecophile, eucaryote, eukaryote, procaryote, prokaryote, zooid, clon, clone, atavist, individual, mascot, mutant, mutation, sport, variation, postdiluvian, sitter, stander, utterer, vocaliser, vocalizer, endemic, fungus, nonvascular organism, relict, saprophyte, saprophytic organism, saprobe, katharobe, epilith.