You are presented with the question "Pathogens have what impact on the body?" and the following answer choices: 
- Roundworms
 - small
 - viruses
 - insignificant
 - Roundworms.
 - toxins
 - positive
 - negative

Now knowing that disease-causing microbes have a negative impact on the body and dangerous microbes are called pathogenic or disease causing, choose the best answer.


 

        negative 