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प्रश्न
Distinguish between the upright and inverted pyramid of biomass.
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उत्तर
| Upright Pyramid of Biomass | Inverted Pyramid of Biomass | |
|
i. |
It is the type of ecological pyramid where the producers have maximum biomass and occupy a broad base and the consumers decrease in terms of biomass. | It is the type of ecological pyramid where the producers have less biomass and form a narrow base, while the consumers are more in terms of biomass. |
| E.g. |
Upright pyramid of biomass in the grassland ecosystem. |
The inverted pyramid of biomass in the oceanic ecosystem. |
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संबंधित प्रश्न
Why the pyramid of energy is always upright? Explain.
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
“The pyramid of biomass is not always upright.” Explain the statement.
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.
Secondary consumers are __________.
Which of the following statements is not correct?
Name any two organisms which can occupy more than one trophic level in an ecosystem.
Write a short note on pyramid of numbers and pyramid of biomass.
| 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.
-
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.
