How can we use what we’ve covered this semester to make more sense of these granola bars? Here are some questions we can consider:
If you’d like to get more perspective on our evolutionary heritage, especially in terms of how it pertains to leadership, check out this 99u talk by Simon Sinek. What parts of the talk might connect with group selection?
Selection (natural, artificial, inadvertent/accidental)
- 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.
- This video will go by quickly, but try to take note of what catches your attention in this extremely fast fly-through of history of life on earth.
Now that we’ve watched the video, let’s consider these questions:
- Drawing upon on our discussion of cells and DNA as well as your own thoughts on the nature of life, why do you think it took so long for eukaryotic life to arise after prokaryotic life arose?
- Why do you think there’s an explosion of diversity and complexity toward the end of this video?
As we head into the topic of evolution, please do the following for our next class:
- To get some perspective on (cosmic) evolution through a short oral history of the universe, listen to the “What Are The Origins Of The Universe?” TED Radio Hour segment. The rest of the episode has some fantastic perspectives on biological evolution as well.
- Also, watch the PBS Space Time video below
As usual, there may be a quiz.
If you want to get a head start on the reading for this part of the course, here it is (for Nov. 30th):
- Biology by Raven 20.1, 20.3, 20.4 (20.2 optional)
- EO Wilson’s Life on Earth chapter 3
- OpenStax Biology 18.1 and part of 18.2 (adaptive radiation).
so that you can attend the 6PM talk The Evolution of Darwin’s Finches on the Galápagos Islands at the Harvard Museum of Natural History, if you would like. Not only does this talk directly connect with the evolution part of our course this semester, but you may also it for the biology-related talk/event you’ve been asked to attend for course credit. If you attend, take good notes; guidelines will be posted soon on how to submit write-ups for events.