A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.
List of Viruses – Characteristics of non-living things: In the world of biology, viruses are considered non-living things. In fact, based on their characteristics, they should not be classified as organisms.
List of Viruses non-living Characteristics
Viruses are considered to be non living, because of the following characteristics:
- Viruses don’t have protoplast
- Viruses do not have chlorophyll and are therefore unable to make their own food by photosynthesis.
- All viruses are obligate internal parasites. This means that they cannot multiply without infecting another living organism or host.
- Viruses can be crystalised
- Viruses can’t live independently of a living cell
- Viruses don’t have any respiration process: cannot respire, feed or excrete waste,
- Viruses lack energy storage system
- Viruses cant grow and devide