Bacteria
Fungi
Biofilm
Head lice
Germs
Mildew
Viruses
Toxins
Parasites
Common cold
Scabies
Submicroscopic particle that infects the cells of an organism
An example of a virus
Organisms that cannot live on their own
An example of a parasite
Nonscientific synonym for disease-producing organisms
Plant parasites that can cause contagious diseases
An example of a fungus
Colonies of microorganisms that adhere to environmental surfaces, as well as the human body, and secrete a sticky, protective coating that cements them together.
Contagious disease caused by the itch mite
Poisonous substances produced by some bacteria and viruses
Can be pathogenic or nonpathogenic
