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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
Answer the following question.
Write any two limitations of ecological pyramids.
In an aquatic ecosystem, a mollusc typically belongs to-
Which of the following statements is not correct?
Name any two organisms which can occupy more than one trophic level in an ecosystem.
The number of trophic levels in an ecosystem are limited. Comment.
Write a short note on pyramid of numbers and pyramid of biomass.
(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.
Give a scientific reason:
The pyramid of energy is always upright.
Describe pyramid of energy with the help of diagram.
