This bundle contains a comprehensive overview of all topics under the “Ecology” section of the AQA GCSE Biology specification. It includes a detailled overview of the following: 4.7.1 Adaptations, interdependence and competition: 4.7.1.1 Communities 4.7.1.2 Abiotic factors 4.7.1.3 Biotic factors 4.7.1.4 Adaptations 4.7.2 Organisation of an ecosystem: 4.7.2.1 Levels of organisation 4.7.2.2 How materials are cycled 4.7.2.3 Decomposition (biology only) 4.7.2.4 Impact of environmental change (biology only) (HT only) 4.7.3 Biodiversity and the effect of human interaction on ecosystems: 4.7.3.1 Biodiversity 4.7.3.2 Waste management 4.7.3.3 Land use 4.7.3.4 Deforestation 4.7.3.5 Global warming 4.7.3.6 Maintaining biodiversity 4.7.4 Trophic levels in an ecosystem (biology only): 4.7.4.1 Trophic levels 4.7.4.2 Pyramids of biomass 4.7.4.3 Transfer of biomass 4.7.5 Food production (biology only): 4.7.5.1 Factors affecting food security 4.7.5.2 Farming techniques 4.7.5.3 Sustainable fisheries 4.7.5.4 Role of biotechnology All information students will ever need for this section is contained within the documents above.

This bundle contains a comprehensive overview of all topics under the “Inheritance, Variation and Evolution” section of the AQA GCSE Biology specification. It includes a detailled overview of the following: 4.6.1 Reproduction: 4.6.1.1 Sexual and asexual reproduction 4.6.1.2 Meiosis 4.6.1.3 Advantages and disadvantages of sexual and asexual reproduction (biology only) 4.6.1.4 DNA and the genome 4.6.1.5 DNA structure (biology only) 4.6.1.6 Genetic inheritance 4.6.1.7 Inherited disorders 4.6.1.8 Sex determination 4.6.2 Variation and evolution: 4.6.2.1 Variation 4.6.2.2 Evolution 4.6.2.3 Selective breeding 4.6.2.4 Genetic engineering 4.6.2.5 Cloning (biology only) 4.6.3 The development of understanding of genetics and evolution: 4.6.3.1 Theory of evolution (biology only) 4.6.3.2 Speciation (biology only) 4.6.3.3 The understanding of genetics (biology only) 4.6.3.4 Evidence for evolution 4.6.3.5 Fossils 4.6.3.6 Extinction 4.6.3.7 Resistant bacteria 4.6.4 Classification of living organisms All information students will ever need for this section is contained within the documents above.