Number of individuals decreases from producer level to consumer level in

Pyramid of numbers

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Pyramid of energy

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Pyramid of biomass

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All of the above

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Solution

The correct option is D All of the above
Ecological pyramid is a graphic representation indicating the relationship between organisms at each different trophic level. These are of 3 types, pyramid of numbers, pyramid of energy and pyramid of biomass. Pyramid of number indicates the number of organisms at each trophic level. In an ecological pyramid, the number of individuals usually decreases from producer level to consumer level. The number of individuals decreases significantly at each trophic level.
Thus, the correct answer is 'All of the above.'

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