Final answer:
The term that means disease producing is pathogenic. Pathogens are living organisms or viruses that cause disease. The severity of the disease depends on the number of pathogens in the host and the virulence of the pathogen. So, the correct answer is option C. pathogenic.
Step-by-step explanation:
The term that means disease producing is pathogenic. Pathogens are living organisms or viruses that cause disease. They can travel from one person to another and invade and multiply in host tissues, causing damage and releasing toxins.
The severity of the disease depends on the number of pathogens in the host and the virulence of the pathogen. Some pathogens are highly virulent and almost always lead to a disease state, while others may cause mild symptoms.
So, the correct answer is option C. pathogenic.