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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
Explain energy pyramid
Which organisms constitute the last trophic level?
Answer the following question.
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.
Give an example of an ecosystem that shows an inverted pyramid of numbers.
Distinguish between the upright and inverted pyramid of biomass.
What does the base tier of the ecological pyramid represent?
Name any two organisms which can occupy more than one trophic level in an ecosystem.
Organisms at a higher trophic level have less energy available. Comment.
Describe pyramid of energy with the help of diagram.
