Mr Downie is joined by Dr Fiona Borthwick (Edinburgh University), Pete Ritchie (Nourish Scotland) and Sean O'Keefe (Cogz) to discuss food supply and food security.

This episode looks at the first key area from unit 3 of the SQA Higher Biology Course.

You can ask questions or get in touch via @BiologyHigher on Twitter

These podcast style lessons are supported by Education Scotland.

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