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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
“It is often said that the pyramid of energy is always upright. On the other hand, the pyramid of biomass can be both upright and inverted.” Explain with the help if examples and sketches.
Distinguish between a food chain and a food web.
Explain energy pyramid
“The pyramid of biomass is not always upright.” Explain the statement.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
In a tree ecosystem the pyramid of numbers is:
Write a short note on pyramid of numbers and pyramid of biomass.
Give a scientific reason:
The pyramid of energy is always upright.
