How do viruses different from other micro-organisms such as bacteria?
viruses are different from other microorganisms in many ways. viruses are smaller than every known living cell they can't reproduce,grow on their own ,so it seems that viruses are non-living but when a virus enters the cell of a living organism it starts to grow and reproduce. it uses the energy of the organism for this purpose. as reproduction is an important characterstic of life viruses are considered on the border line of living and non-living organisms. so they are different from other microorganisms .