All living things, plants and animals, need energy - including you. How do we get energy? By eating!
Have a look at this BBC clip on how energy is passed from the sun, to plants, to animals!
Make sure you have a go at putting that food chain in the right order. Here's an example of a food chain on a farm!
Here's some images of different living things. How many food chains can you make with them? What do they start with? You can draw the living thing too, the arrow means 'eaten by'.
Grain -> Chicken -> Fox