Food relationships Look at the food web. Illustration 1.5 There are various food relationships in the above picture. The food relationships in a single sequence is given below. Illustration 1.6 Find out and write more such sequences. A single sequence of food relationships from the food web is the food chain. Compare food chains you have written and list them in your science diary. Table 1.3 Basic Science V 16 First link Last link Grass Vulture