Darwin Sources
- Barlow, Nora. “Darwin Online.” Darwin-Online.org.uk, 2026, darwin-online.org.uk/content/frameset?viewtype=text&itemID=F1497&pageseq=21. Accessed 17 Feb. 2026.
- Britannica. “Charles Darwin | Biography & Facts - the Beagle Voyage.” Encyclopedia Britannica, 2019, web.archive.org/web/20180208124928/www.britannica.com/biography/Charles-Darwin/The-Beagle-voyage. Accessed 24 Feb.
- 2026.Cambridge. “| Darwin Correspondence Project.” Darwin Correspondence Project, 2025, www.darwinproject.ac.uk/letter/?docId=letters/DCP-LETT-213.xml. Accessed 21 Feb. 2026.
- Christopher Anadale. “Darwin Origin of Species Ch 1 Summary.” YouTube, 17 Aug. 2016, www.youtube.com/watch?v=wm3OnZUYxVc. Accessed 22 Feb. 2026.
- Gilbert, Scott F. “Evolutionary Embryology.” Nih.gov, Sinauer Associates, 2014, www.ncbi.nlm.nih.gov/books/NBK10049/. Accessed 21 Feb. 2026.
- National Geographic Society. “HMS Beagle: Darwin’s Trip around the World | National Geographic Society.” Education.nationalgeographic.org, 19 Oct. 2023, education.nationalgeographic.org/resource/hms-beagle-darwins-trip-around-world/. Accessed 21 Feb. 2026.
- The Editors of Encyclopaedia Britannica. “Adaptive Radiation | Biology.” Encyclopædia Britannica, 2019, www.britannica.com/science/adaptive-radiation. Accessed 21 Feb. 2026.
- Thomson, Keith S. “Beagle | Ship.” Encyclopædia Britannica, 10 June 2016, www.britannica.com/topic/Beagle-ship. Accessed 18 Feb. 2026.
- Wolhert, John. “The Mount House, Shrewsbury, England (Charles Darwin).” Archive.org, 2025, web.archive.org/web/20081206010149/darwin.baruch.cuny.edu/biography/shrewsbury/mount/. Accessed 18 Feb. 2026.