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प्रश्न
Give diagrammatic representation of pyramid of numbers.
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उत्तर
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संबंधित प्रश्न
Why the pyramid of energy is always upright? Explain.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Write any two limitations of ecological pyramids.
Define ecological pyramids.
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 ______.
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
What does the base tier of the ecological pyramid represent?
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.
| 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.
