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Q.
Which one of the following aspects is not a component of functional unit of ecosystem?
Ecosystem
Solution:
Interaction of biotic and abiotic components result in a physical structure, that is characteristic of each type of ecosystem. Components of ecosystem function as one single unit. Four important functional aspects of the ecosystem are:
(i) Productivity,
(ii) Decomposition,
(iii) Energy flow and
(iv) Nutrient cycling. Ecological pyramids are graphical representation of number, biomass and energy flow in an ecosystem.