class notes class x subject biology topic ch 15 our environment part ii prepared by bharati mandal functions significance of an ecosystem ecosystem indicates available solar energy and the efficiency ...
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...Class notes x subject biology topic ch our environment part ii prepared by bharati mandal functions significance of an ecosystem indicates available solar energy and the efficiency to trap same it gives information about essential minerals their recycling periods provides knowledge web interactions inter relationship among various population as well between abiotic helps human beings know conservation resources protection from pollution inputs required for maximizing productivity in two processes flow biogeochemical cycles nutrients movement proceed side is unidirectional while cyclic food chain sequence living organisms a community which one organism consumes another transfer called or sequential process represents who eats whom refers arrangement different biotic groups examples chains simple operating grass land forest i producer deer herbivore lion carnivore producers insect herbivores frog carnivores eagle secondary self practice draw pond desert note above content has been absolu...