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Why the pyramid of energy is always upri...

Why the pyramid of energy is always upright ? Explain.

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(a) ''The pyramid of energy is always upright.' Explain. (b) Explain with the help of labelled diagrams, the difference between an upright pyramid of biomass and an inverted pyramid of biomass.

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 of example and sketches .

The pyramid of energy is always upright for any ecosystem. This situation indicates the fact that:

Assertion The pyramid of energy is always upright Reason Number of autotrophs in the pyramid of energy are maximum.

Give scientific reasons : (a) The pyramid of energy is always upright . (b) In an ecosystem the energy flow is always unidirectional . (c) Ozone present in the startosphere is called as " good ozone " .

Pyramids of energy are-

Pyramid of biomass is always upright.

(a) Identify the type of ecological pyramid given below . (b) Pyramid of energy is always upright . Why ?

Which of the following statement/s regarding ecological pyramid is/are wrong? I. In most ecosystem, all the pyramids, of number, of energy and biomass are upright. II. Each trophic level has a certain mass of living material at a particular time called as the standing crop. III. The pyramid of biomass in sea is generally upright because the biomass of fishes far lower that of phytoplankton. IV. Pyramid of energy is always upright, can never be inverted. V. Energy at a lower trophic level is always less than at a higher level.