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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 an ecosystem dominated by trees, the pyramid (of numbers) is ______ type.
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
'The pyramid of energy is always upright.' Explain
In a pyramid of biomass, if the total dry weight (kgm-2) of primary produces is about 809, it well increases at tertiary consumer level up to ______.
Pyramid of numbers is ______.
(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.
The biomass of a standing crop of phytoplankton is 4 kg/m2, which supports a large standing crop of zooplankton having a biomass of 11 kg/m2. This is consumed by small fishes having a biomass of 25 kg/m2, which are then consumed by large fishes with a biomass of 37 kg/m2.
Draw an ecological pyramid indicating the biomass at each stage and also name the trophic levels. Mention whether it is an upright or inverted pyramid.
Describe pyramid of energy with the help of diagram.
