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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.
Describe with examples of pyramids of number and biomass.
'The pyramid of energy is always upright.' Explain
Secondary consumers are __________.
Define ecological pyramids.
Which of the following organism form the decomposers?
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
Name any two organisms which can occupy more than one trophic level in an ecosystem.
(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.
