english: It doesn't really satisfy all the requirements, it doesn't have all the characteristics of living systems and is in fact a parasite on other living systems in order to, say, reproduce and evolve.
non_english: Pojednostavljen je. Ne zadovoljava sve zahteve, nema sve osobine živih sistema i u principu, da bi se reprodukovao i evoluirao, virus parazitira na drugim živim sistemima.