This clip shows the importance of plants as the start of food chains and as producers of oxygen. The way in which plants make their own food through photosynthesis is explained. The structure of plants is discussed and the role of the leaf in photosynthesis is mentioned.

First broadcast:
21 November 2008

This clip could be used as a basic introduction to photosynthesis and plant structure. Ask students to write out photosynthesis as a word equation. They could draw a diagram of a plant and label it to show where photosynthesis takes place and how the plant accesses the factors it needs for photosynthesis to take place.