Question : The productivity of an ecosystem is composed of which of the following?
Option 1: Gross productivity and primary productivity
Option 2: Primary and secondary productivity
Option 3: Net productivity and consumption
Option 4: Net primary productivity and gross primary productivity
Correct Answer: Net primary productivity and gross primary productivity
Solution : The correct answer is Net primary productivity and gross primary productivity.
The productivity of an ecosystem is divided into two main components: Gross Primary Productivity (GPP) and Net Primary Productivity (NPP).
GPP represents the total amount of organic matter (usually in the form of glucose or other organic compounds) that plants and other primary producers (autotrophs) in an ecosystem produce through photosynthesis.
NPP, on the other hand, is the actual energy or biomass available for consumption by heterotrophic organisms (consumers) in the ecosystem.
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