animal
background
bacteria
bacterium
binary fission
biology
caudatum
cell
cilia
ciliate
conjugation
contractile
cytoplasm
education
endoplasm
exconjugant
fauna
foot
freshwater
holozoic
lab
laboratory
life
light
macro
magnification
micro
microbiology
microorganism
microscope
microscopic
microscopy
nature
nucleus
organism
paramecia
paramecium
pellicle
plankton
primitive
protozoa
protozoan
science
small
tiny
transmitted
transparent
vacuole
water
white
zoology