Respuesta :

Answer:

Pathogenic bacteria are bacteria that can cause disease. Although most bacteria are harmless or often beneficial, some are pathogenic, with the number of species estimated as fewer than a hundred that are seen to cause infectious diseases in humans

Explanation:

Answer:

Explanation:

Pathogenic bacteria form biofilms, which are an assemblage of microorganisms that adhere to each other or to a surface and which protect the bacteria against antimicrobial agents and disinfectants, such as chlorine.