Respuesta :
The best synonym for pathogen would be disease causing microbe. The definition for pathogen is - An agent that causes disease, especially a living microorganism such as a bacterium, virus, or fungus.
Answer:
its a disease causing microbe
Explanation:
Most microbes belong to four major groups: bacteria, viruses, protozoa or fungi. (To find out more, see the “Bacteria/Viruses/Protozoa” fact sheets). Disease-causing microbes can also be called pathogens, germs or bugs and are responsible for causing infectious diseases.