Free download or read online 9th IX Class Biology Urdu Medium Notes in pdf format for a metric student.Biology could be a scientific discipline involved with the study of life and living organisms, together with their structure, function, growth, evolution, distribution, and taxonomy. Trendy biology could be an immense and eclectic field, composed of the many branches and subdisciplines. However, despite the broad scope of biology, there square measure sure general and unifying ideas inside it that govern all study and analysis, consolidating it into single, coherent fields. In general, biology acknowledges the cell because the basic unit of life, genes because the basic unit of heredity, and evolution because the engine that propels the synthesis and creation of latest species. it's additionally understood these days that everyone organism survive by overwhelming and remodeling energy and by regulation their internal setting to take care of a stable and very important condition. Subdisciplines of biology square measure outlined by the size at that organisms square measure studied, the forms of organisms studied, and also the strategies accustomed study them: organic chemistry examines the rudimentary chemistry of life; biological science studies the complicated interactions among biological molecules; phytology studies the biology of plants; cellular biology examines the essential building block of all life, the cell; physiology examines the physical and chemical functions of tissues, organs, associate degree organ systems of an organism; organic process biology examines the processes that made the variety of life; and ecology examines however organisms act in their setting.
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