The origins of viruses in the evolutionary history of life are unclear: some may have evolved from plasmids—pieces of DNA that can move between cells—while others may have evolved from bacteria.
Wit saking virus punika ring lintihan evolusi urip durung tinglas: minab wénten sané evolusi saking plasmid-pahan DNA sané prasida magingsir pantaranig sel-miwah sané tiosan minab evolusi saking bakteri.