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Genetic Variation in the specific case is the bears changing color to camouflage to its environment from tanish to white Principle #1 Genetic Variation :
The bears are over producing and and the tanish bears are being eaten at a young age due to no being able to protect itself Principle #2 Overproduction & the Struggle for Existence
The white polar bears have a better rate of survival and reproduction since they are not being killed at young age and can camouflage since born. Principle #3 Differential Survival and Reproduction
Throughout the years the bears change in their gene pool and begin to live to a old age and live in peace Principle #4 Changes in Gene Pool:
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