Biology study guides

An overview of the cells and exchange content in WJEC GCSE Biology Unit 1 (sections 1.1 and 1.3), mapping cell structure and organisation, specialised cells and microscopy, diffusion, osmosis and active transport, the digestive system, digestive enzymes and food tests, and absorption, and how they are examined.

An overview of the cells, genetics and evolution content in WJEC GCSE Biology Unit 2 (sections 2.1 to 2.4), mapping classification and biodiversity, cell division and stem cells, DNA and inheritance, genetic engineering and profiling, and variation and evolution.

An overview of the micro-organisms and disease content in WJEC GCSE Biology Unit 2 (sections 2.7 and 2.8), mapping culturing micro-organisms and their applications, pathogens and disease, defence and the immune system, and vaccines, antibiotics and monoclonal antibodies, and how they are examined.

An overview of the plants and ecosystems content in WJEC GCSE Biology Unit 1 (sections 1.5 and 1.6), mapping photosynthesis and limiting factors, leaf structure and transport, transpiration, food chains, webs and pyramids, the carbon and nitrogen cycles, and human impact and biodiversity.

An overview of the respiration and circulation content in WJEC GCSE Biology Unit 1 (sections 1.2 and 1.4), mapping aerobic and anaerobic respiration, the respiratory system and gas exchange, the heart and blood vessels, and blood and cardiovascular disease, and how they are examined.

An overview of the response and regulation content in WJEC GCSE Biology Unit 2 (sections 2.5 and 2.6), mapping the nervous system and reflexes, the eye, hormones and blood glucose, temperature regulation, plant responses, and the kidney, and how they are examined.