In an ecosystem the rate of production of organic matter during photosynthesis is termed as
Correct answer: D. gross primary productivity.
- A. secondary productivity
- B. net productivity
- C. net primary productivity
- D. gross primary productivity.
Explanation
The amount of energy accumulation in green plants as biomass or organic matter per unit area over a time period is known as primary productivity. The rate of total capture of energy, or the rate of total production of organic material (biomass), is known as gross primary productivity.
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About Man and His Environment
Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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