In a food pyramid, there’s typically less biomass at the top in 3 short sentences explain this phenomenon, citing evidence relating to energy flow, and how plant support ecosystems
The reason there is less biomass at the top of a food pyramid is because energy is lost as it moves up through the different trophic levels. In each energy transfer, only about 10% is passed on to the next level, with the rest being used for metabolism or lost as heat. Plants support ecosystems by converting sunlight into energy through photosynthesis, providing the foundation for the rest of the food chain. As a result, there is less biomass at the top because there is simply not enough energy available to sustain a large number of organisms at higher trophic levels.
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In a food pyramid, the amount of biomass decreases as you move up the trophic levels due to energy loss. This loss occurs because organisms use energy for their own metabolism and only a fraction is passed on to the next level. Plants play a critical role in supporting ecosystems by converting sunlight into energy through photosynthesis, which then forms the base for the food chain. Consequently, there is less biomass at the top of the pyramid as energy diminishes as it moves through the various levels of the ecosystem.
