Living things that are too small to be seen without a microscope
organisms
microorganisms
multicellular
unicellular
largest group of microorganisms. Can be shaped like rods, spirals, or spheres
fungi
protozoa
algae
bacteria
This microorganism makes bread rise
protozoa
unicellular
yeast
algae
The main producers in oceans, lakes, and rivers
protozoa
bacteria
fungi
algae
Medicines that cure diseases caused by bacteria and sometimes protozoa
virus
antibiotics
algae
vaccine
Harmful microorganism that can only live if it is inside something that is living
bacteria
virus
penicillin
fungi
Can produce a red tide in oceans that kills fish and makes people sick
algae
protozoa
fungi
bacteria
