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प्रश्न
How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?
पर्याय
1%
10%
40%
90%
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उत्तर
10%
Explanation:
Only 10% of herbivore output is used for increasing productivity of the next tropic level, according to the 10% low of energy flow in a chain, while the remaining 90% is eaten and used up in processes such as breathing, body cleanliness, and after activities.
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संबंधित प्रश्न
How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?
Why does primary productivity vary in different types of ecosystems?
State the relation between gross and net primary productivity.
What is the primary productivity of an ecosystem and how is it expressed?
Answer the following question.
Describe the inter-relationship between productivity, gross primary productivity, and net productivity.
Secondary productivity is rote of formation of new organic matter by ______.
Which one of the following ecosystem is most productive in term of net primary production?
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Why are oceans least productive?
Why is the rate of assimilation of energy at the herbivore level called secondary productivity?
In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is 100x(kcal m−2) yr−1, what would be the GPP (Gross Primary Productivity) of the third trophic level of the same ecosystem?
Primary productivity in an ecosystem refers to the rate of generation of ______.
What is the rate at which biomass is synthesised by a trophic level per unit area per unit time called?
Which organismal category is responsible for producing primary productivity in ecosystems?
Which human activity indirectly reduces ecosystem productivity?
Why is CO₂ concentration considered a factor affecting productivity?
