Observing evolution in humans can be a slow process, considering that it takes 20-30 years to see the impact one generation has on the next, which is why scientists turn to an organism with a much shorter lifecycle to study the mechanics of a process that allows you to pass your eye color on to your child or that allows a virus like COVID-19 to change and to survive even in individuals who already have immunity to an earlier variant.
One aspect of evolution that’s still not fully understood is how it is affected by environmental factors like climate and the availability of resources, but the work of Alan Bergland, assistant professor of biology with the University of Virginia’s College and Graduate School of Arts & Sciences, may help answer some of those questions.
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Photo: contributed photo