ජීවයේ රසායනික පදනම 1 | Chemical Basis Of Life part 1

Welcome to Introduction to Biology! Whether you are preparing for AL Biology, a college-level general biology course, or just starting your journey into the life sciences, this video covers all the fundamental concepts you need to build a strong foundation. In this lesson, we explore what biology actually is, the core characteristics that define living organisms, the scientific method, and the hierarchical organization of life from atoms to ecosystems. Key Concepts Covered What is Biology? Definition and core scope of life science. 7 Characteristics of Life: Cellular organization, metabolism, homeostasis, growth, reproduction, response to stimuli, and evolution. Levels of Biological Organization: Molecules, cells, tissues, organs, organisms, populations, communities, ecosystems, and the biosphere. The Scientific Method: Hypotheses, variables, control groups, and experimental design. Timestamps: 0:00 - Introduction to Biology 1:05 - What Defines "Life"? (7 Characteristics) 4:15 - Levels of Biological Organization 7:30 - The Scientific Method & Experimental Design 11:20 - Core Unifying Themes in Biology 14:00 - Key Takeaways & Review #IntroductionToBiology #BiologyBasics #ALBiology #GeneralBiology #ScienceExplained #LearnBiology #GihaniGamage