Within a water system the feeding chain can be described as follows:
Tadpoles, Water Beetles and Snails all survive by eating algae.
Small Fish eat the tadpoles, whilst frogs survive on water beetles and snails.
The kingfisher, a skillful fishing bird, survives on eating small fish and frogs.
Which of the following graphs represents the feeding chain? Note that the arrows point from the thing that is eaten to the thing that eats it.
Choose appropriate networks to find optimal solutions
Apply network methods in solving problems