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प्रश्न
Name any two organisms which can occupy more than one trophic level in an ecosystem.
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उत्तर
Man and sparrow etc.
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संबंधित प्रश्न
Give diagrammatic representation of pyramid of numbers.
In an ecosystem dominated by trees, the pyramid (of numbers) is ______ type.
Distinguish between upright and inverted pyramids.
Distinguish between a food chain and a food web.
With reference to the levels of an organisation, differentiate between living organisms and non-living objects.
Write any two limitations of ecological pyramids.
'The pyramid of energy is always upright.' Explain
Which ecosystem has the maximum biomass?
Which one of the following is not used for construction of ecological pyramids?
Which of the following organism form the decomposers?
In an aquatic ecosystem, a mollusc typically belongs to-
Pyramid of numbers is ______.
What does the base tier of the ecological pyramid represent?
The number of trophic levels in an ecosystem are limited. Comment.
What are the shortcomings of ecological pyramids in the study of ecosystems?
Write a short note on pyramid of numbers and pyramid of biomass.
(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.
A graphic representation of the biomass relationship between the producer and consumer in an ecosystem is called ______.
| 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.
