2. Biotic and abiotic factors

Available for over a year

Dr Alex Lathbridge guides you through important GCSE Biology facts, with a few jokes thrown in too. In this second episode of our series all about Ecology, Dr Alex Lathbridge breaks down the key facts about what animals and plants compete for within an ecosystem, and how they are adapted to compete with others. Dr Alex also looks at the biotic and abiotic factors that can change within an ecosystem, such as new predators or pathogens, and light, moisture, and carbon dioxide levels. Take a look on the BBC Bitesize website to find out more about this topic, with revision notes, quizzes and exam-style questions: https://www.bbc.co.uk/bitesize/guides/z86gpbk/revision/2 and https://www.bbc.co.uk/bitesize/guides/z86gpbk/revision/4 Suitable for: Combined science AQA Synergy AQA Trilogy Eduqas Edexcel OCR 21st Century OCR Gateway Single science AQA Edexcel OCR 21st Century OCR Gateway