Question

Differentiate between productivity and decomposition.

Answer 1

Sr. No.	Productivity	Decomposition
1.	It is the rate of biomass production in an ecosystem.	It is the process of breaking down complex organic matter into inorganic substances.
2.	It involves the fixation of radiant energy by producers.	It involves decomposers that break down organic matter.
3.	Productivity results in the creation of organic matter.	Decomposition results in the release of inorganic substances like CO2, water, and nutrients.
4.	It determines the total energy flow and biomass in an ecosystem.	It recycles nutrients back to the environment for reuse by producers.
5.	It includes processes like photosynthesis and chemosynthesis.	It includes steps like fragmentation, leaching, catabolism, humification, and mineralisation.