To consider the concept of selective pressure, we will…
- Listen to this NPR news story about color and discuss these questions: (a) what selective pressure(s) are mentioned in the news story? (b) what is the result of the pressures?
- Listen to the Weekend Edition news story “In Just 6 Generations, Butterflies Brighten Their Colors“, then consider (a) what selective pressures are being applied (b) by what or whom (c) resulting in what final outcome?
If you’re curious about the color-creating structures of butterfly wings mentioned in the NPR stories, give this Deep Look video a watch.
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