Viruses are classified as non-living. Which of these characteristics supports that classification?

Responses

Viruses can reproduce via mitosis
Viruses can reproduce via mitosis

Viruses cannot reproduce without the help of a host cell
Viruses cannot reproduce without the help of a host cell

Viruses have a metabolism
Viruses have a metabolism

Viruses can be killed by antibiotics

Viruses cannot reproduce without the help of a host cell