Use the information from the chapter to draw a food pyramid of a lake.

Place algae, water-dwelling insects, small fishes and large predator fishes in their correct places in the pyramid.

Return your drawing in the submission folder below.

Form small groups and create presentations about fish species. Each group chooses one fish species and introduces its distinguishing features, living habits and distribution.

Choose one of the following species: perch, pike, bream, zander, salmon, burbot, vendace, herring