Genetic Variation- Variation between a species are found, as there are different colored fishes.
Overproduction and Struggle for Survival- The brown fishes have way more babies than the blue, because the blue risk less chance of survival and reproduction.
Differential Survival and Reproduction- The blue fishes are easier to be spotted than the brown, because they camoflouge with the dirt. The sharks spot their blue prey...
Change in Gene Pool- The only change that is found is the increasement of brown fishes, because they carry the ideal genes.
Struggle to Survive- The blue fish can't hide from predators as good as the brown. Once they're found, they're eaten.
Reproduction- Natural selection turns the odds against the blue, so they don't reproduce as much....
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