Euglena
adenovirus
aerobe
aerobic bacteria
aerobic organism
amoeba
anaerobe
anaerobic bacteria
anaerobic organism
animalcule
autotrophic organism
bacillus
bacteria
bacterium
being
bug
coccus
colon bacillus
creature
crumb
diatom
disease-producing microorganism
dot
drop
droplet
dyad
echovirus
enterovirus
filterable virus
flagellate
fleck
flyspeck
fungus
genetic individual
germ
gnat
grain
gram-negative bacteria
gram-positive bacteria
heterotrophic organism
individual
iota
jot
living being
living thing
microbe
microspore
microzoa
midge
minim
organism
intestinal flora
microflora
monad
moneran
moneron
pathogen
protist
protistan
protoctist
virus
BS
Coccus
airmobile
bacilli
bandeaux
cytotoxin
kanda
microorganisms
mycobacteria
phytoplankton
protozoa
scherzo
submariners
taxon
thematter