By; Angel Arroyo
Microbiology- is the study of microscopic organisms such as bacteria, viruses, protozoa, archaea, and fungi.
Virus, Bacteria, Fungi, and Parasites
Virus- A non-living pathogen that can change. Viruses can be spread by a person having a cold and coughing, sneezing, and touching.
Bacteria- Single celled prokaryotes that can cause disease.