Biology

Cell biology

This topic explores the fundamental unit of life, the cell, covering the structural differences between eukaryotic and prokaryotic cells and the functions of their sub-cellular components. It also examines the processes of cell division, including mitosis and the role of stem cells in growth and repair, alongside transport mechanisms like diffusion, osmosis, and active transport.

E2E stub topic

This subtopic explores the fundamental structure and function of cells, comparing eukaryotic and prokaryotic organisms. Learners will examine how subcellular structures adapt cells for specific functions, and the practical techniques used to observe them under a microscope. Mastery of cell biology provides the foundation for understanding human physiology, disease, and the diversity of life.

E2E stub subtopic

Organisation

This topic explores the hierarchical levels of organisation in living organisms, ranging from cells to tissues, organs, and organ systems. It specifically examines the human digestive and circulatory systems, the structure and function of plant tissues, and the impact of lifestyle factors on non-communicable diseases.

Infection and response

This topic explores how pathogens, including viruses, bacteria, fungi, and protists, cause infectious diseases and how the human body defends itself against these threats. It covers the mechanisms of the immune system, the role of vaccinations, and the development and use of antibiotics and other medicines to treat disease.

Bioenergetics

This topic explores the fundamental bioenergetic processes of photosynthesis and respiration, which are essential for life on Earth. It covers the chemical reactions involved, the factors that influence these rates, and how organisms manage energy transfer for metabolic activities.

Homeostasis and response

Homeostasis is the regulation of internal conditions within a cell or organism to maintain optimum conditions for function in response to internal and external changes. This topic covers the nervous system, endocrine system, blood glucose control, thermoregulation, and plant hormones, emphasizing how these control systems use receptors, coordination centres, and effectors to restore balance.

Inheritance, variation and evolution

This topic explores the mechanisms of inheritance, including sexual and asexual reproduction, meiosis, and the structure of DNA. It further examines how genetic variation and natural selection drive evolution, alongside human interventions such as selective breeding and genetic engineering.

Ecology

This topic explores the complex interactions within ecosystems, focusing on how biotic and abiotic factors influence community structure and biodiversity. It covers the cycling of materials, the impact of human activities on the environment, and the specialized adaptations that allow organisms to survive in their specific habitats.

Key ideas

This topic explores the fundamental biological principles that underpin the entire GCSE Biology specification. It emphasizes that life processes rely on specific molecular structures, cellular organization, and the interdependence of organisms within ecosystems. Students must understand how these core concepts, such as photosynthesis, respiration, and natural selection, integrate across different areas of the curriculum.