Answer:
Size, morphology and form of infection.
Explanation:
Size and shape:
Bacteria is a cell. Virus is acellular.
Bacteria are about 0.5 and 5 μm. The can be round or bar shaped.
Virus are not bigger than a fragment of ARN, about 100 times smaller than bacteria. They have a capsule that contains the RNA.
Both, bacteria and virus, can also have an external filament that allows them mobility.
Form of infection:
All viruses cause harm. Some bacterias are good to our health.
Bacteria can live by itself. Virus need a host.
You can take antibiotic to kill bacteria. Viruses can only been prevented by vaccines, but you can't be treated once infected.
