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प्रश्न
(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.
उत्तर
(a) Invertebrate biomass pyramids can be observed in aquatic environments where a tiny standing phytoplankton crop supports a huge standing zooplankton/fish crop or in terrestrial ecosystems where a lot of insects are eating on a tree's leaves.
(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
Give diagrammatic representation of pyramid of numbers.
“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.
In an ecosystem dominated by trees, the pyramid (of numbers) is _________ type.
Distinguish between food chain and food web.
Define ecological pyramids.
Which of the following organism form the decomposers?
Which of the following statements is not correct?
What does the base tier of the ecological pyramid represent?
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?
| In a forest ecosystem, a large population of insect feeds upon a banyan tree. Several small birds feed upon these insects. The small birds are fed upon by big-sized birds. |
- With respect to this ecosystem, draw a pyramid for each biomass and a pyramid of number.
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If 20,000 Kcal energy is available at the level of insects, calculate the amount of energy available at the level of big-sized birds.
