Tiêu đề IGCSE Biology Notes ✅

16.2 Sexual reproduction: 16.3 Sexual reproduction in plants: 16.4 Sexual reproduction in humans: 16.5 Sex hormones in humans: 16.6 Methods of birth control in humans: 16.7 Sexually transmitted infections (STIs): 17. Inheritance: 17.1 Inheritance: 17.2 Chromosomes, genes and protein: 17.3 Mitosis: 17.4 Meiosis: 17.5 Monohybrid inheritance: 18. Variation and selection: 18.1 Variation: 18.2 Adaptive features: 18.3 Selection: 19. Organisms and their environment: 19.1 Energy flow: 19.2 Food chains and food webs: 19.3 Nutrient cycles: 19.4 Population size: 20. Biotechnology and genetic engineering: 20.1 Biotechnology and genetic engineering: 20.2 Biotechnology: 20.3 Genetic engineering: 21. Human influence on ecosystems: 21.1. Food supply: 21.2 Habitat destruction: 21.3 Pollution: 21.4 Conservation: