DR CHRIS VAN TULLEKEN:Well, thank you photosynthesis ... Key Stage 3 Before the clip, hand round some crisps and ask students to write a food chain which ends in ‘human’. The correct answer ...

Our ability to feed ourselves all hinges on the fact that plants can create their own food through the process of photosynthesis ... Biology KS3 / KS4: How the combine harvester has changed ...