Trophic Levels and Pyramids of Biomass - GCSE Biology Lesson

ECOLOGY - AQA GCSE Biology Bundle

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.