A source from which organisms generally take elements is called as a food web.
A source from which organisms generally take elements is called as a food web.
Chemical cycling of an element may involve reservoirs and exchange pools as well as the biotic community ( Fig. 31.21 ). A reservoir is a source normally unavailable to organisms. For example, much carbon is found in calcium carbonate shells in ocean bottom sediments. An exchange pool is a source from which organisms generally take elements. For example, photosynthesizers can utilize carbon dioxide in the atmosphere for their carbon needs. The biotic community consists of the autotrophic and heterotrophic species of an ecosystem that feed on one another. Human activities, such as mining or burning fossil fuels, increase the amounts of chemical elements removed from reservoirs and cycling within ecosystems. As a result, the physical environment of the ecosystem contains excess chemicals that, in turn, may alter the species composition and diversity of the biotic community.
http://dev5.mhhe.com/textflowdev/genhtml/007340342
Chemical cycling of an element may involve reservoirs and exchange pools as well as the biotic community ( Fig. 31.21 ). A reservoir is a source normally unavailable to organisms. For example, much carbon is found in calcium carbonate shells in ocean bottom sediments. An exchange pool is a source from which organisms generally take elements. For example, photosynthesizers can utilize carbon dioxide in the atmosphere for their carbon needs. The biotic community consists of the autotrophic and heterotrophic species of an ecosystem that feed on one another. Human activities, such as mining or burning fossil fuels, increase the amounts of chemical elements removed from reservoirs and cycling within ecosystems. As a result, the physical environment of the ecosystem contains excess chemicals that, in turn, may alter the species composition and diversity of the biotic community.
http://dev5.mhhe.com/textflowdev/genhtml/007340342
Its not food web. Dont put that. I tried it and it was wrong. Going in now to try C. exchange pool. But it makes sense.
This post is last updated on hrtanswers.com at Date : 1st of September – 2022