Why does the amount of biomass change at each trophic level of a food pyramid?
The group of living things that live and interact with each other and with the environment in a specific area forms the ecosystem. It consists of biotic components like plants, animals, and microorganisms, and also abiotic components like air, rocks, and soil. The ecosystem is the fundamental unit of nature. The ecosystem can be natural like a pond, river, or wetlands. It can also be artificial like croplands and aquariums. The living organisms in an ecosystem can be classified on the basis of their mode of nutrition as producers, herbivores or primary consumers, carnivores or secondary consumers, top consumers, omnivores, and decomposers.
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