Full GCSE Biology Lesson / Revision Powerpoint on Decay
A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint.
Includes:
- The concept of decay (role of detrivores)
- Factors affecting decomposition (temperature, water availability, oxygen, presence of decomposers/detrivores)
- Using decay to make compost (use as a fertilizer)
- Best conditions for decay
- How to design a compost bin
- Making Biogas (production of methane)
- Exam Practise
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£2.50