Which of these things is a protist? A. Mycoplasma pneumoniae, a single-celled
bacterium without a nucleus that causes
B. Euglena spirogyra, a single-celled algae
with a nucleus and flagella, or flippers, that
help it move around
D. Apodemus sylvaticus, a complex,
pneumonia
C. Geotrichum candidum, a complex,
multicellular fungus used to make cheese.
multicellular creature known as a wood
mouse.