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प्रश्न
(a) Draw a pyramid of numbers where a large number of insects are feeding on the leaves of a tree. What is the shape of this pyramid?
(b) Will the pyramid of energy be also of the same shape in this situation? Give a reason for your response.
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उत्तर
(a) Inverted pyramid because a large number of insects feed on one tree.
(b) No, the Pyramid of Energy is always upright and cannot be inverted because some energy is constantly lost as heat at each trophic level as it moves from one to the next.
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संबंधित प्रश्न
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.
Write any two limitations of ecological pyramids.
Define ecological pyramids.
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 numbers is ______.
Name any two organisms which can occupy more than one trophic level in an ecosystem.
What are the shortcomings of ecological pyramids in the study of ecosystems?
Give a scientific reason:
The pyramid of energy is always upright.
