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Bird Feathers Offer Insight Into How Evolution Works
UA News

Testing a long-held hypothesis of a late UA professor, fellow UA Ecology and Evolutionary Biology professor and BIO5 faculty, Dr. Alexander Badyaev, has led a team to show that evolution is driven by species interaction within a community. Studying nearly 300 bird species, Dr. Badyaev’s team built and tested their carotenoid biochemical pathways to explore how the populations changed over the last 50 million years.