Story Board Natural Selection
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Principle #1- Genetic Variation Variation exists in the fish species. Some fish are a gray and some are a bright orange
Principle #2- Overproduction and the struggle for Exsistence Fish will always produce more offspring than the environment can support. Not all can survive
Principe #3- Differential Survival and Reproduction The orange fish are easier for the bird to spot in the lake. The gray fish camouflauge well.
Principle #3- Differential Survival and Reproduction because the gray fish can camouflage well, they survive long enough to reproduce
Principle #4- Changes in Gene pool because gray fish have higher fitness, over time the frequency for the gray allele will increase in the gene pool
And that's Natural Selection!!!
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