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I appreciated reading this section of A Framework for Science. It's good for me to really dig into and study more thoroughly what deep thinking, intelligent scientists have found, observed, and inferred about what they've seen. I, too, am a deep thinker (my husband, who is more of a doer, often tells me to not "think so much!"), and I love to be taking this class with other deep thinkers and science-interested people.
Combining this reading with what I saw from the Bozeman videos, I feel more confident to tell my students what the latest thinking is on biological evolution. I appreciated the line in our reading of A Framework for K-12 Science Education (on p. 163 in my book) that said, "Anatomical similarities and differences between various organisms living today and between them and organisms in the fossil record enable the reconstruction of evolutionary history and the inference of lines of evolutionary descent." Paul Anderson noted on the videos that some apes and humans are observed to have only a 1.2% difference in their DNA sequence. So I'm wondering if that is enough similarity for us to conclude that we have evolved through generations of time from apes. 1.2% can make a lot of difference. When humans can build the culture, civilizations, inventions, towns and cities... that we have built throughout history, it seems that 1.2% makes a lot of difference! It's pretty fascinating to think about.
Studying natural selection and adaptation will be useful when it comes to practical science, such as, studying pests on our crops. Also, I'm looking forward to discussing with my students the importance of taking care of our habitat. I hope to have some practical discussions on what we can do to be good caretakers of our planet Earth.
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