agar
air
allergy
aspergillus
aspergillus niger
asthma
background
bacteriology
biotechnology
black
brown
coccus
colonies
colony
different
environment
environmental
fungi
growth
indoor
medium
micro
microbe
microbiology
microorganism
microscope
microscopic
microworld
mold
morphology
nutrient
pathogen
pathogenic
petri dish
plate
shape
smear
spherical
terreus
tryptic soy
tsa
white
world
yellow