Our Environment Class-X

This eBook contains detailed description of the chapter related to class exam and other exam.The salient features are : Introduction Ecosystem Components of ecosystem Producers Consumers Herbivorous Carnivores Omnivores De composers Importance of decomposers Functions of an ecosystem Food chain Significance of food chains Food web Trophic levels Flow of energy Characteristics of energy transfer Ten percent law Depletion in ozone layer Biological magnification Garbage Disposal Modes of waste disposal