An island has a population of 100,000 moths that has 98% gray individuals and 2% black individuals.Generation after generation,this ratio and population size remains basically the same.After a hurricane,10,000 black moths are blown onto the island.This is an example of _____________.

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The Answer of An island has a population of 100,000 moths that has 98% gray individuals and 2% black individuals.Generation after generation,this ratio and population size remains basically the same.After a hurricane,10,000 black moths are blown onto the island.This is an example of _____________.

An Island Has a Population of 100,000 Moths That Has