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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
Distinguish between upright and inverted pyramids.
Describe with examples of pyramids of number and biomass.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
In a tree ecosystem the pyramid of numbers is:
Which of the following organism form the decomposers?
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 ______.
What does the base tier of the ecological pyramid represent?
Give a scientific reason:
The pyramid of energy is always upright.
| 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.
Which statement is a limitation of ecological pyramids?
