According to cell theory, viruses are considered nonliving because they Responses A do not contain organelles.do not contain organelles. B do not contain organic compounds.do not contain organic compounds. C cause diseases in other organisms.cause diseases in other organisms. D lack the ability to reproduce without a host

Answer 1

According to cell theory, viruses are considered nonliving primarily because they D) lack the ability to reproduce without a host. Viruses are not made up of cells and cannot carry out metabolic processes on their own. They require a host cell to replicate and propagate, which distinguishes them from living organisms.