This course introduces students to the fundamental principles of biology, including its definition, major branches, and historical development. It explores the characteristics of life, the methods used in biological research, and the chemical basis of living organisms. Students will study the structure and function of cells and tissues, the processes of mitosis and meiosis, and the organization of plant and animal systems. The course also covers biodiversity, taxonomy, and the classification of living organisms, including viruses, bacteria, algae, and fungi. Key biological processes such as nutrition, metabolism, photosynthesis, respiration, circulation, and excretion are examined, along with the relationships between biology and other sciences, its practical applications, and potential careers in the biological sciences.