ECOSYSTEM
ECOSYSTEM Various kinds of life support in systems like the forests, grasslands,oceans, lakes, rivers, mountains,deserts, and estuaries so wide variation in their structural composition and functions. However, they all are alike in the fact that they consists of living entities interacting with their surroundings exchanging matter and how do these different units like a hot desert, a dense evergreen forest, the Antarctic sea or a shallow pond differ in the type of their flora and fauna, how do they derive there energy and nutrients to live together, how do they influence each other and regulates their established are the questions that are answerd by ecology. The term ecology was coined by Earnest Haeckel in 1869. It is derived from the Greek word OIKOS- home+logos-study. So ecology deals with the study of organisms in their natural home interacting with their surroundings. The surroundings or environment consists of other living organisms called biotic components and