Question

the devils hole water system is part of a large underground aquifer in death valley national park. after the last ice age, around 10,000 years ago, as the water dried up and the land turned to desert, separate pools of water formed. populations of pupfish eventually became isolated in a few of these water holes and springs and then evolved different to become distinct species over time. this kind of each water pool was inhabited by a few surviving individuals of the original larger population. a change in following a large reduction in population size is called a choose choose choose choose choose stabilizing genes adaptive traits disruptive traits

Explanation:

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Discipline: Natural Science
Sub - field: Biology