Answer :

Final answer:

Pathogens are disease-causing organisms such as bacteria, viruses, protozoa, or fungi.


Explanation:

Pathogens are disease-causing organisms as a whole. They can include bacteria, viruses, protozoa, or fungi. These microorganisms are not considered pathogenic until they reach a population size large enough to cause disease.


Learn more about Pathogens here:

https://brainly.com/question/31994092


Other Questions