A. parasites
B. pathogens
C. pests
D. vectors
Correct Answer: Option B
B. pathogens
Explanation
A bacterium, virus, or other microorganisms that can cause disease.
A. parasites
B. pathogens
C. pests
D. vectors
Correct Answer: Option B
B. pathogens
Explanation
A bacterium, virus, or other microorganisms that can cause disease.
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