Principal #1- Genetic Varation Gentic Varation does exsit in the Snake species. The snakes are either bright yellow or dark green.
Principal #2 Overproduction and the Struggle for Exsistance Snakes will always reproduce morr soffspring than the enviorment can support.
Principal #3- Differental Survival and Rreproduction Since the yellow snakes are easier to spot there they are more likely to be eaten by the Bald Eagle. While the green snakes camoflage in their enviorment.
Principal #4- Changes in Gene Pool Due to the green snakes having a higher fitness, overtime the frequency of the green allele will increase while the yellow allele will decrease.