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प्रश्न
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
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उत्तर
Ecological pyramid:
The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called the ecological pyramid.
Ecological pyramids are of 3 types :
(i) Pyramid of number
(ii) Pyramid of biomass
(iii) Pyramid of energy
(i) Pyramid of number:
The relationship between producers and consumers in an ecosystem can be represented in the form of a pyramid in terms of number is called pyramid of number.
(ii) Pyramid of Biomass:
The relationship between producers and consumers in an ecosystem can be represented in the form of a pyramid in terms of biomass is called pyramid of biomass. It can be upright or inverted.
(iii) Pyramid of energy :
The relationship between producers and consumers in an ecosystem can be represented in the found of the pyramid in terms of the flow of energy called pyramid of energy. Always upright as energy is lost as heat at each step.
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संबंधित प्रश्न
Why the pyramid of energy is always upright? Explain.
Distinguish between a food chain and a food web.
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Give an example of an ecosystem that shows an inverted pyramid of biomass.
Pyramid of energy in grassland and pond ecosystem is always ______.
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
In an aquatic ecosystem, a mollusc typically belongs to-
Which of the following statements is not correct?
Give a scientific reason:
The pyramid of energy is always upright.
