The Evolution of Skin Color

Grade level
Time
33 minutes
Start the lessonPrint the worksheetTeacher guide
Time
48 minutes
Start the lessonPrint the worksheetTeacher guide
Time
45 minutes
Start the lessonPrint the worksheetTeacher guide
A group of friends with a range of skin tones lying on the grass and laughing under a sunny sky
Sources
  1. Nina Jablonski and George Chaplin, Department of Anthropology, Pennsylvania State University, PNAS, 2010
  2. Nina Jablonski and George Chaplin, Philosophical Transactions of the Royal Society B, 2012
  3. Nina Jablonski and George Chaplin, Philosophical Transactions of the Royal Society B, 2017
  4. Nina Jablonski and George Chaplin, Proceedings of the Royal Society B, 2014
  5. Nicholas Crawford, Sarah Tishkoff and colleagues, University of Pennsylvania, Science, 2017
  6. Ann Webb, Lesley Rhodes and colleagues, University of Manchester, Nutrients, 2018
  7. TEMIS, a satellite UV data service hosted by KNMI in the Netherlands, TEMIS UV station data
  8. The UV numbers average the daily cloud-free UV index at local solar noon for December, 2015 to 2024, from the TEMIS station files for Kuala Lumpur and Tromsø. TEMIS defines the clear-sky UV index for cloud-free conditions at local solar noon.
  9. Vision and Change core concepts and competencies, as summarized in Brownell and others, CBE Life Sciences Education, 2014
  10. Word origins from Dictionary.com: adaptation, adapt, ad-, apt, -ation, aptitude, adapter, adjacent, adrenal, ultraviolet, ultra-, photolysis, folate, cline
  11. Folate’s leaf root from Wiktionary, folic acid. Latin aptāre, Spanish and French words from Wiktionary, adaptō, adaptation, adaptación, apto