Below are possible answers for the crossword clue Micro-organisms.
8 letter answer(s) to micro-organisms
BACTERIA
(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
Other crossword clues with similar answers to 'Micro-organisms'