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प्रश्न
Give a scientific reason:
The pyramid of energy is always upright.
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उत्तर
The pyramid of energy is always upright; it can never be inverted. Every step from one trophic level to the next results in a loss of energy in the form of heat.
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संबंधित प्रश्न
In an ecosystem dominated by trees, the pyramid (of numbers) is ______ type.
Distinguish between upright and inverted pyramids.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Secondary consumers are __________.
Define ecological pyramids.
Which ecosystem has the maximum biomass?
Pyramid of energy in grassland and pond ecosystem is always ______.
The number of trophic levels in an ecosystem are limited. Comment.
What are the shortcomings of ecological pyramids in the study of ecosystems?
| 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.
