CHAPTER15 Our Environment - NCERT

Science256 Activity Environment15 CHAPTERWe have heard the word Environment often being used on thetelevision, in newspapers and by people around us. Our elders tellus that the Environment is not what it used to be earlier; others say thatwe should work in a healthy Environment ; and global summits involvingthe developed and developing countries are regularly held to discuss environmental issues. In this chapter, we shall be studying how variouscomponents in the Environment interact with each other and how weimpact the ECO-SYSTEM WHA-SYSTEM WHA-SYSTEM WHA-SYSTEM WHA-SYSTEM WHAT ARE ITS COMPONENTS?T ARE ITS COMPONENTS?T ARE ITS COMPONENTS?T ARE ITS COMPONENTS?T ARE ITS COMPONENTS?All organisms such as plants, animals, microorganisms and humanbeings as well as the physical surroundings interact with each otherand maintain a balance in nature.

television, in newspapers and by people around us. Our elders tell us that the ‘environment’ is not what it used to be earlier; others say that ... n The green plants in a terrestrial ecosystem capture about 1% of the energy of sunlight that falls on …

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