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प्रश्न
| In a forest ecosystem, a large population of insect feeds upon a banyan tree. Several small birds feed upon these insects. The small birds are fed upon by big-sized birds. |
- With respect to this ecosystem, draw a pyramid for each biomass and a pyramid of number.
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If 20,000 Kcal energy is available at the level of insects, calculate the amount of energy available at the level of big-sized birds.
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उत्तर
- Pyramid of number

- Pyramid of biomass

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संबंधित प्रश्न
Why the pyramid of energy is always upright? Explain.
Distinguish between upright and inverted pyramids.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
Define ecological pyramids.
In a tree ecosystem the pyramid of numbers is:
What does the base tier of the ecological pyramid represent?
Organisms at a higher trophic level have less energy available. Comment.
What are the shortcomings of ecological pyramids in the study of ecosystems?
(a) Draw a pyramid of numbers where a large number of insects are feeding on the leaves of a tree. What is the shape of this pyramid?
(b) Will the pyramid of energy be also of the same shape in this situation? Give a reason for your response.
