Which one of the following is not a functional unit of an ecosystem?
Energy flow
Decomposition
Productivity
Stratification
Ecosystem is defined as
$A$ : Stratification helps in accommodation of a large number and types of plants in the same area.
$R$ : It is the occurrence of horizontal zonation in the ecosystem.
Abiotic components refers to
Vertical distribution of different species occupying different level is called..........
Ecosystem involves