Some scientists believe that viruses can be considered living, as they have some characteristics of life, while others believe viruses cannot be considered living because they do not have all characteristics of life. According to your Biology Now textbook, in which case do viruses display a characteristic of life?
Choose one:
A. Viruses do not maintain homeostasis themselves, but instead rely on host cells to maintain conditions.
B. Viruses do not have cells of their own, but can use the cell machinery of a host cell to reproduce.
C. Viruses do not evolve individually, but populations of them can evolve within a host, as viruses reproduce after infecting the host.
D. Viruses do not metabolize themselves, but they can change the metabolism of a host cell.