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Ecosystem and Food Web

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Ecosystem and Food Web
Acknowledgement
First of all I’m very thankful to Tr.Sudharshan for assigning us this project because in previous years and class we were just well known about the term “ecosystem” but now as we have done this project we have now learned various things about ecosystem in depth and that will help us in our course study in coming days. This project is based on term “ecosystem” and “Food chain” after going through it many will be able to answer these questions:

* What is an ecosystem, and how can we study one? * Is the earth an open or closed system with respect to energy and elements? * Tropic level * What are the types of food chain * Food web.etc

Content 1. Introduction on ecosystem 2. Components of ecosystem 3. Trophic level 4. Food chain (introduction) 5. Type of food chain 6. Food web 7. Conclusion

INTRODUCTION ON ECOSYSTEM An ecosystem is a community of living organisms (plants and animals) sharing an environment. The largest ecosystems are called biomes.
An ecosystem consists of the biological community that occurs in some locale, and the physical and chemical factors that make up its non-living or abiotic environment. There are many examples of ecosystems -- a pond, a forest, an estuary, grassland. The boundaries are not fixed in any objective way, although sometimes they seem obvious, as with the shoreline of a small pond. Usually the boundaries of an ecosystem are chosen for practical reasons having to do with the goals of the particular study.
The study of ecosystems mainly consists of the study of certain processes that link the living, or biotic, components to the non-living, or abiotic, components. Energy transformations and biogeochemical cycling are the main processes that comprise the field of ecosystem ecology. As we learned earlier, ecology generally is defined as the interactions of organisms with one another and with the environment in which they occur.

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