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Biology For Classes lX-X


Section 1 Life And Its Origin




Whenever you examine the world around you, you find it full of living things Study of living things is biology. It is the most interesting to study life, study yourself, study plants, animals and many other less common forms of life. Speciality of this diversified world is a set of characteristics which are shared by all, all respire, all respond, all reproduce and all acquire energy from food.