Have you ever wondered how humans originated from apes or why birds look different based on their environments? Evolution and natural selection are the answers to those questions! What is evolution and natural selection? How does it work? Akshay wonders about this on his trip to the zoo, so he talks to Dr. William Ratcliff, an evolutionary biologist and professor at Georgia Tech. Dr. Ratcliff studies evolution and how animals and plants originated from single-celled organisms millions of years ago in his lab.
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