What rationale best explains why a virus is not alive?
A virus is not alive because although it can reproduce, it requires a host cell to copy it's genetic material
A virus is not alive because
NASA have said that it is not alive
A virus is not alive because it does not demonstrate all of the characteristics, which define life, making it incapable of being self-sustaining
A virus is not alive because it cannot respond, making it incapable of carrying out basic life chemistry
