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प्रश्न
How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?
विकल्प
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
What is primary productivity?
Write the equation that helps in deriving the net primary productivity of an ecosystem.
What is primary productivity?
Why does primary productivity vary in different types of ecosystems?
State the relation between gross and net primary productivity.
Explain what does the equation given below show:
NPP = GPP – R
Write the relationship between productivity, gross primary productivity, net primary productivity, and secondary productivity.
In the equation GPP − R = NPP R represents ______
Productivity is the rate of production of biomass expressed in terms of ______.
Which of the following ecosystems is most productive in terms of net primary production?
Justify the pitcher plant as a producer.
Why are oceans least productive?
Why is the rate of assimilation of energy at the herbivore level called secondary productivity?
Primary productivity varies from ecosystem to ecosystem. Explain?
The primary productivity in an ecosystem is expressed as ______.
- gm-2 yr-1
- gm-2 yr
- Kcal m-2 yr-1
- Kcal m-2
Use the information provided in the table given below to answer the following questions:
| Tropic level | Net Production(KJm-2y-1) | Respiration (KJm-2y-1) |
| Top Carnivore | 50 | 35 |
| Carnivores | 420 | 378 |
| Herbivores | 4490 | 4041 |
| Producers | 45000 | 40,367 |
- Calculate the gross primary productivity.
- Analyze the trend in the Net Production from Producers to Top Carnivore. Give a reason for your observation.
