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प्रश्न
“The pyramid of biomass is not always upright.” Explain the statement.
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उत्तर
(i) The pyramid of biomass in sea is generally inverted because the biomass of fishes far exceeds than that of phytoplanktons.
(ii) The pyramid of biomass in terrestrial ecosystems are upright because producers are more in biomass than in herbivores, herbivores are more in biomass than in carnivores.
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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.
Distinguish between upright and inverted pyramids.
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.
'The pyramid of energy is always upright.' Explain
Give an example of an ecosystem that shows an inverted pyramid of biomass.
Which one of the following is not used for construction of ecological pyramids?
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?
Write a short note on pyramid of numbers and pyramid of biomass.
(a) Given below is a pyramid of biomass in an ecosystem where each bar represents the standing crop available in the trophic level. With the help of an example explain the conditions where this kind of pyramid is possible in nature.
(b) Will the pyramid of energy be also of the same shape in this situation? Give a reason for your response.
