Question
Distinguish between
Upright and inverted pyramid.

Answer

Upright and inverted pyramid:
  Upright pyramid Inverted pyramid
1 The pyramid of energy is always upright. The pyramid of biomass and the pyramid of numbers can be inverted.
2 The number and biomass of organisms in the producer level of an ecosystem is the highest, which keeps on decreasing at each trophic level in a food chain. The number and biomass of organisms in the producer level of an ecosystem is the lowest, which keeps on increasing at each tropic level. Light is not required for decomposition by decomposers.

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