How are bacteria and viruses similar? how are they different?

Differences Between Bacteria and Viruses. There are a number of differences between bacteria and viruses. Viruses, for example, are as much as 10 to 100 times smaller than bacteria. ... While the RNA and DNA of viruses are enclosed in the protein coat, in bacteria, the genetic material floats in the cytoplasm.

geologic time scale (for gradpoint) =)

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.