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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
Distinguish between a food chain and a food web.
Which organisms constitute the last trophic level?
Answer the following question.
What is an ecological pyramid? Compare the pyramids of energy, biomass, and numbers.
Secondary consumers are __________.
Which ecosystem has the maximum biomass?
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 ______.
Pyramid of biomass in terrestrial ecosystem shows sharp decline in
The number of trophic levels in an ecosystem are limited. Comment.
What are the shortcomings of ecological pyramids in the study of ecosystems?
Describe pyramid of energy with the help of diagram.
