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प्रश्न
What does the base tier of the ecological pyramid represent?
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उत्तर
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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.
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
“The pyramid of biomass is not always upright.” Explain the statement.
Write any two limitations of ecological pyramids.
'The pyramid of energy is always upright.' Explain
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 ______.
Organisms at a higher trophic level have less energy available. Comment.
What are the shortcomings of ecological pyramids in the study of ecosystems?
(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.
Give a scientific reason:
The pyramid of energy is always upright.
Who developed the concept of ecological pyramids, and in which year?
What does the base of each ecological pyramid represent?
Which statement explains the inverted pyramid of biomass in oceanic ecosystems?
What does a pyramid of energy represent?
Which organisms are not included in ecological pyramids even though they play a vital role in the ecosystem?
When is a sparrow a secondary consumer?
