Which one of the following is not a functional unit of an ecosystem?
Which one of the following is not a functional unit of an ecosystem?
Energy flow
Decomposition
Productivity
Stratification
Solution
Vertical distribution of different species occupying different levels is called stratification. It represent the structural unit of an ecosystem. For example, trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers.