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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
“It is often said that the pyramid of energy is always upright. On the other hand, the pyramid of biomass can be both upright and inverted.” Explain with the help if examples and sketches.
Why the pyramid of energy is always upright? Explain.
In a food chain, the herbivores are represented by
(A) producers
(B) primary consumers
(C) secondary consumers
(D) decomposers
Write any two limitations of ecological pyramids.
Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.
Secondary consumers are __________.
Distinguish between the upright and inverted pyramid of biomass.
Organisms at a higher trophic level have less energy available. Comment.
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?
Draw a diagram of pyramid of energy.
