Compare and contrast bacteria and viruses. Provide at least two similarities and two differences.

Both do not have a nucleus.

Bacteria is larger than a virus.

There are beneficial bacteria, like the ones in yoghurt, but there is no beneficial virus.

Bacteria are unicellular organisms while viruses are technically considered non-living, or even parasitical as they do have cells- Cells are generally a part in deciding whether an organism is living or not.