Are viruses alive? The scientific debate continues. Viruses exhibit some characteristics of life, but others are missing.
The MOST obvious reason why scientists still refer to viruses as non-living is that they
A) do not change over time.
B) do not contain any genetic material.
C) are much smaller than anything alive.
Eliminate
D) are not composed of one or more cells.

Respuesta :

B) do not contain any genetic material. 

There is still an ongoing argument between scientists whether viruses are alive or not. Viruses are a tricky microorganisms that when outside a host is like a non-living organism but when attaches to a host becomes alive. 

The correct answer is D.} Are not composed of more than one cells.