Question

Viruses are an example of ________

• A. Obligate
• B. Facultative parasites
• C. Commensalism
• D. Ectoparasites

Answer 1

Answer:

A. Obligate

Viruses are an example of obligate parasites. Viruses can’t perform any of their metabolic activities when they are outside a living host. As soon as they enter a living host they replicate and perform their metabolic activities. Therefore, they are an example of obligate parasites.