Evolution; no small topic. Biologists can use a diverse array of systems to try to test evolutionary concepts. Some systems, like bacteria, are useful for looking at how evolution happens in real time, because they have such short generation times. Others, like animals, are much more difficult, but can allow us to ask really interesting questions like how behavior influences evolutionary processes. Dr. Kathleen Ferris, asks questions about how organisms respond to stress in an evolutionary sense using two very different systems.

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