live intractoion

The parasite that is non-living outside a living cell, but becomes living on entering a living host cell is

$ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living organisms which are aquatic.

What is the functional unit of the environment comprising of the living and non-living components called?

The circulation of the essential nutrients between living and non-living components of the biosphere is termed as :