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