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IB MYP Grade 8 Biology
In Grade 8 Sciences (Biology), MYP Year 3 students will explore living systems through an inquiry-based, scientific approach. The course fosters curiosity, critical thinking, and ethical reasoning, encouraging learners to investigate real-world biological issues through experimentation and research. With a strong emphasis on the IB Learner Profile—Inquirers, Communicators, Balanced, Principled—the curriculum is structured around four MYP objectives: Knowing and Understanding – grasp key biological concepts and apply them to both familiar and new situations. Inquiring and Designing – design scientifically valid investigations by formulating hypotheses, identifying variables, and planning methods. Processing and Evaluating – compile and interpret data, assess methodology, and critique scientific evidence. Reflecting on Impacts – evaluate the role and ethical implications of biology in societies and ecosystems.
Course Chapters
Systems of Life: Cells & Organisation
The chapter delves into the cell as the fundamental unit of life, tracing the historical development of cell theory and comparing the architecture and functions of organelles in both prokaryotic and eukaryotic cells. Key learning objectives encompass microscopy techniques, laboratory safety, and the design of controlled investigations culminating in a formal lab report. Additionally, students engage with advanced microscopy principles and the technological evolution impacting biological sciences.
Exchange and Balance – Membranes & Transport
Membranes play a crucial role in cellular boundaries and transport mechanisms, providing the framework for both passive and active processes essential for maintaining homeostasis. Key elements such as phospholipids, sterols, and proteins contribute to the complex architecture of membranes, influencing their function in various biological contexts. The chapter covers essential topics from diffusion and osmosis to the implications of membrane technologies for global sustainability and water security.
The Microbial Universe and Human Health
The chapter explores the fascinating world of microorganisms, including bacteria, fungi, and viruses, highlighting their diverse roles in ecosystems, health, and disease. It examines historical milestones in microbiology, the complexity of microbial life, and the dual nature of these organisms as both beneficial allies and harmful adversaries. Moreover, it discusses the human immune system's defenses, the critical importance of hygiene, vaccination efforts, and the growing threat of antibiotic resistance.
Genetics & Heredity
Genetics explores heredity and how traits are passed from parents to offspring. It covers the structure of DNA, the principles of inheritance established by Gregor Mendel, as well as modern understandings of gene expression, mutations, and the impact of environmental factors on genetic traits. The chapter emphasizes the complexity of traits' inheritance patterns and encourages inquiry-based exploration of genetic traits in families.
Ecology & Interdependence
Ecology is the intricate study of interactions among organisms and their environment. The chapter explores ecosystems, food chains, energy flow, and photosynthesis, highlighting the significance of interdependence and human impacts. It emphasizes the urgent need for sustainable conservation strategies to protect biodiversity and ensure ecological balance.
Evolution & Biodiversity
Evolution serves as the central unifying theory in biology that explains the emergence and ongoing adaptation of life on Earth. The chapter explores mechanisms such as natural selection that drive evolutionary changes and discusses the importance of biodiversity conservation. It emphasizes both scientific insights and ethical considerations in preserving the complex web of life, highlighting practical applications in conservation efforts.