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प्रश्न
Answer the following question.
Write any two limitations of ecological pyramids.
उत्तर
Limitations of ecological pyramids:
- It never takes into account the same species belonging to two or more trophic levels.
- It assumes a simple food chain, which never exists in nature.
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संबंधित प्रश्न
Which organisms constitute the last trophic level?
“The pyramid of biomass is not always upright.” Explain the statement.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
Give an example of an ecosystem that shows an inverted pyramid of numbers.
Which ecosystem has the maximum biomass?
Which one of the following is not used for construction of 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 ______.
What are the shortcomings of ecological pyramids in the study of ecosystem?
What are the three types of ecological pyramids? What information is conveyed by each pyramid with regard to structure, function and energy in the ecosystem?
