Dobzhansky and Mayr thought that the evolution of a new species is linked to the environmental changes. Geographic isolation happens before speciation and isolated populations evolve differences gradually as they adapt to the environment are the ideas that would follow the Dobzhansky-Mayr theory of speciation.
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<h3>Over time, the lighter colored moths will become more common while the darker colored moths will become less common. Eventually, the dark moths could become extinct or less dark colored traits will be passed on.</h3>
Answer: first is granite, second is basalt.
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