Viruses form an unique bridge between living and non-living things with those characteristics.


Non-living characteristics

• They can be crystallized
• The outside of the cells act like an inert chemicals
• They don't show grow,development, nutrition, reproduction, etc.
• They can be precipitated  
  

Living characteristics

• They can multiply within host cells
• They possess genetic material ( DNA or RNA )
• There are definite races or strains
• They exhibit mutations