What are Pathogens?

Vocabulary

Bacteria Any one of a group of very small living things that often cause disease
Bacterium Singular word

Pathogen Something that causes disease

Disease An illness that affects a person, animal, or plant
A condition that prevents the body or mind from working normally

Illness A condition of being unhealthy in your body or mind
A specific condition that prevents your body or mind from working normally : a sickness or disease

Virus An extremely small particle that causes a disease and that spreads from one person or animal to another

Fungus Any one of a group of living things (such as molds, mushrooms, or yeasts) that often look like plants but have no flowers and that live on dead or decaying things

Mold A soft substance that grows on the surface of damp or rotting things