Question

Why are viruses considered at the borderline between living and non living things?

Answer 1

Viruses are considered on the borderline of living and non living because only when they are inside a living cell do they fulfil the criteria of being regarded as living entities. Outside, they act as non living entities.

Answer 2

Viruses are the types of microorganisms.

They become active only when the get a living surface. Outside the living body they are totally inactive and act as non - living things.

Because of this they are considered on the boderline of living and non living bodies.