Our Pyramid Food Chain
Our pyramid food chain have grass, bird and human (us). Grass is a producer. Bird is a primary consumer and human is a top of this food chain (Heterotroph / secondary consumer). We all know that primary consumers are herbivores such as birds, fishes, etc.
As these picture are shown down below, there is a producer (autotroph), a herbivore (primary consumer), and a carnivore / omnivore (secondary consumer / heterotroph).
There are pictures that you can examine and determine below.