Which of the following pyramid will ALWAYS be an exact 'pyramid' shape? *
a.pyramid of numbers
b.pyramid of biomass
c.both can be of the proper pyramid shape
d.none of them can have the pyramid shape
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Explanation:
Pyramid ecosystem modeling can also be used to show energy flow through the trophic levels. Pyramids of energy are always upright, since energy is lost at each trophic level; an ecosystem without sufficient primary productivity cannot be supported.
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