abstract
analysis
antibiotics
bacillus
biology
didactic
dirty
disease
environmental
experiment
food
fungal
fungi
fungus
germs
growth
hazard
health
laboratory
life
macro
medical
medicine
microbe
microbiology
mildew
mold
moldy
mould
mycelia
natural
organic
organism
petri
plant
proliferation
replication
research
rotten
safety
sanitation
science
sickness
spoiled
spore
spread
substance
subtilis
toxic
unhealthy