Every organism at one time or another has to learn to adapt to a new environment. This is why evolution of organism is needed in order to survive changes to its environment, such as the case of the flightless birds. For one reason or another over a period of 100,000 years the need for wings was unnecessary to their survival. There could be many reasons why the birds evolved to be more adaptable to their environment. A small population of birds would have to replenish and start a new population. In all populations there are great reproductive potential to replace numbers and expand the number of population. After their population grew there would be a leveling off of the population once it reached a stable size. The birds' population would become stable due a lack of food to support every bird in the population, along with predators helped to contribute to keeping the population stable. After being on the island a while the birds' population would start showing a variation in......
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