Biology
GCSE · CCEA
Mathematics
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View topicsBiology
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View topicsCCEA GCSE Biology is the separate-science route in Northern Ireland, taken alongside Chemistry and Physics rather than as part of Double Award Science. It is assessed by written examinations plus a practical skills assessment.
Content covers cells and movement across membranes, enzymes, respiration and photosynthesis, digestion, transport in humans and plants, coordination and control, health and disease, genetics and inheritance, variation and selection, and ecological relationships.
The prescribed practicals and the data-analysis questions built on them carry substantial marks, so understanding method and evaluation, not just the result, is essential for a strong grade.
Curriculum Breakdown
Important Topics
- Cells & TransportCell structure, diffusion, osmosis, active transport and enzyme action.
- Respiration & PhotosynthesisAerobic and anaerobic respiration, photosynthesis and limiting factors.
- Human SystemsDigestion, circulation, breathing, coordination and homeostasis.
- Health & DiseasePathogens, the immune response, vaccination and antibiotic resistance.
- Genetics & InheritanceDNA, genetic crosses, variation, mutation and genetic engineering.
- Variation & SelectionNatural selection, evidence for evolution and classification.
- Ecological RelationshipsEcosystems, energy flow, sampling, nutrient cycles and human impact.
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