Present here is a dichotomous keys graphic organizer depicting the food pyramid. the diagram in question is a pictorial one explaining all the details of food pyramid. the diagram is to be understood from bottom to top. at the bottom level, below the soil Heterotrophs are located. Above them, Autotrophs are placed. Above Autotrophs, Heterotrophs like Primary Predators, Secondary Predators are located. the diagram is a pictorial one making the understanding of the concept easy for the student. in one glance a pupil can grasp the concept and understand it. Such diagrams prove effective when It comes to explaining complicated and comprehensive concepts. Visual aids prove useful in making teaching-learning experience an effective one.