Matching Pairs Principles of InfectionOnline version Put into practice what you have learned about infection principles. by Rosalind Carter 1 Common cold 2 Parasites 3 Viruses 4 Germs 5 Toxins 6 Head lice 7 Fungi 8 Scabies 9 Biofilm 10 Bacteria 11 Mildew An example of a parasite Submicroscopic particle that infects the cells of an organism Colonies of microorganisms that adhere to environmental surfaces, as well as the human body, and secrete a sticky, protective coating that cements them together. An example of a fungus An example of a virus Organisms that cannot live on their own Plant parasites that can cause contagious diseases Can be pathogenic or nonpathogenic Nonscientific synonym for disease-producing organisms Poisonous substances produced by some bacteria and viruses Contagious disease caused by the itch mite