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🎓 IGCSE Biology - The Complete Course: https://www.tes.com/teaching-resource/resource-12989155 IGCSE Chemistry - The Complete Course: 🎓 Complete Teaching Resource (including past exam questions and mark schemes organised by chapter): https://www.tes.com/teaching-resource/resource-13280954 🎓 Student resource (PDF only): https://www.tes.com/teaching-resource/resource-13245244 🎓 All the videos (the complete library on Patreon): https://www.patreon.com/igbiocomplete ☕️ Buy me a coffee - https://www.buymeacoffee.com/ArthurJohnParker Cambridge IGCSE Biology (0610/0970) Chapter 20 - Human influences on ecosystems Topic 20.2 - Habitat destruction For exams from 2025 (core and extended) As always this video follows the Cambridge syllabus exactly and contains absolutely everything you need to know for your final exam! My other channels: @igpecomplete - Cambridge IGCSE PE @ocrpecomplete - OCR GCSE PE Timestamps: 0:00 Contents 0:29 Reasons for habitat destruction 2:36 Food webs 3:02 Effects of deforestation Core content: - Describe biodiversity as the number of different species that live in an area. - Describe the reasons for habitat destruction, including: (a) increased area for housing, crop plant production and livestock production, (b) extraction of natural resources, (c) freshwater and marine pollution. - State that through altering food webs and food chains, humans can have a negative impact on habitats. - Explain the undesirable effects of deforestation as an example of habitat destruction, to include: reducing biodiversity, extinction, loss of soil, flooding and increase of carbon dioxide in the atmosphere. There's no extended supplement for this lesson.
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