4.4 Trophic levels

• Trophic = feed


For example: 
A carrot plant (producer) is doing photosynthesis, turning light energy into chemical energy


The carrot fly (a herbivore) is eating the carrot plant, which is called a primary consumer. It takes in the CE of the plant and turn it into CE of the fly


The fly catcher eats the carrot fly (a carnivore), a secondary consumer. It changes the CE once again from one form to another


The sparrow-hawk (top carnivore) eats the fly catcher, a tertiary consumer. It changes the CE again to suit itself


• All these die at some point, where decomposers break the molecules into nitrates and phosphates
• examples of decomposers: fungi, bacteria