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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%
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?
What is the primary productivity of an ecosystem and how is it expressed?
Explain what does the equation given below show :
NPP = GPP – R
Answer the following question.
Describe the inter-relationship between productivity, gross primary productivity, and net productivity.
Which one of the following ecosystem is most productive in term of net primary production?
Why is the rate of assimilation of energy at the herbivore level called secondary productivity?
Justify the following statement in terms of ecosystem dynamics. “Nature tends to increase the gross primary productivity, while man tends to increase the net primary productivity”.
Which of the following ecosystems will be more productive in terms of primary productivity? Justify your answer. A young forest, a natural old forest, a shallow polluted lake, alpine meadow.
The primary productivity in an ecosystem is expressed as ______.
- gm-2 yr-1
- gm-2 yr
- Kcal m-2 yr-1
- Kcal m-2
