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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
“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 an ecosystem dominated by trees, the pyramid (of numbers) is ______ type.
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
Which of the following statements is not correct?
Name any two organisms which can occupy more than one trophic level in an ecosystem.
The number of trophic levels in an ecosystem are limited. Comment.
Write a short note on pyramid of numbers and pyramid of biomass.
Give a scientific reason:
The pyramid of energy is always upright.
