AP BIOLOGY

Detailed explanation-1: -Viruses are considered as something between living and non-living because they do not grow or reproduce by themselves. This makes them non-living.

Detailed explanation-2: -Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.

Detailed explanation-3: -Scientists categorize viruses as neither living nor non-living. This is due to the fact that viruses possess the characteristic of both the living and the non-living.