The current classification method relies upon many aspects when classifying an organism. Through the criteria set for the organisms' classifications, every organism finds a place. This way, if any new discoveries are made such as the excavation of a new fossil, the organism is easily placed into the existing system.
The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. ... Later, when pollution was reduced, the light-coloured form again predominated.
As the trees darkened with soot, the light-colored moths were easier to see. They were eaten by birds more and more, while the rare dark colored moths blended in better on the darker trees. This made the dark colored moths have a higher survival rate.
