Biology Student Book , Edexcel IGCSE (9-1) | Free PDF
1. Organisms & Life Processes – Fundamental life processes, characteristics of living organisms, biological functions, and adaptations.
2. Animal Physiology – Breathing and gas exchange, digestion, blood circulation, nervous and chemical coordination, homeostasis, excretion, and human reproduction.
3. Plant Physiology – Photosynthesis, transport in plants, chemical coordination, and plant reproduction.
4. Ecology & Environment – Ecosystems, food chains, biotic and abiotic factors, human environmental impact, conservation efforts.