The Species That Broke Evolution?

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The first 500 people to use this link will get a 1 month free trial of Skillshare: https://skl.sh/minuteearth08241 The ancestors of gars, horseshoe crabs and coelacanths looked almost the same as their modern relatives. Darwin called species like these “living fossils'' because they seem like they are evolutionarily frozen in time. But Darwin was wrong. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: - Stabilomorph: A species that retains a stable form over millions of years. - Molecular Evolutionary Rate: The frequency with which DNA or protein sequences are fixed in a population. - Ship of Theseus Paradox: A philosophical thought experiment that asks if an object is still the same if all of its original components are replaced over time. SUPPORT MINUTEEARTH ************************** If you like what we do, you can help us!: - Become our patron: https://patreon.com/MinuteEarth - Our merch: http://dftba.com/minuteearth - Our book: https://minuteearth.com/books - Share this video with your friends and family - Leave us a comment (we read them!) CREDITS ********* David Goldenberg | Script Writer, Narrator and Director Lizah van der Aart | Illustration, Video Editing and Animation Nathaniel Schroeder | Music MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info OUR STAFF ************ Lizah van der Aart • Sarah Berman • Cameron Duke Arcadi Garcia i Rius • David Goldenberg • Melissa Hayes Alex Reich • Henry Reich • Peter Reich Ever Salazar • Leonardo Souza • Kate Yoshida OUR LINKS ************ Youtube | https://youtube.com/MinuteEarth TikTok | https://tiktok.com/@minuteearth Twitter | https://twitter.com/MinuteEarth Instagram | https://instagram.com/minute_earth Facebook | https://facebook.com/Minuteearth Website | https://minuteearth.com Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176 REFERENCES ************** Kin, A., & Błażejowski, B. (2014). The horseshoe crab of the genus Limulus: living fossil or stabilomorph?. PloS one, 9(9), e108036. https://doi.org/10.1371/journal.pone.0108036 Brownstein, C. D., et al. (2024). The genomic signatures of evolutionary stasis. Evolution; international journal of organic evolution, 78(5), 821–834. https://doi.org/10.1093/evolut/qpae028 Amemiya, C. T., et al. (2013). The African coelacanth genome provides insights into tetrapod evolution. Nature, 496(7445), 311–316. https://doi.org/10.1038/nature12027 Casane, D., & Laurenti, P. (2013). Why coelacanths are not 'living fossils': a review of molecular and morphological data. BioEssays : news and reviews in molecular, cellular and developmental biology, 35(4), 332–338. https://doi.org/10.1002/bies.201200145 Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002. How Genomes Evolve. Retrieved from: https://www.ncbi.nlm.nih.gov/books/NBK26836/ Dresow, M. (2023). Re-thinking Living Fossils, Again. ExtinctBlog. Retrieved from: https://www.extinctblog.org/extinct/2023/9/2/living-fossils Romeo, J. (2020). The Horseshoe Crab: Same As It Ever Was? `JSTOR. https://daily.jstor.org/the-horseshoe-crab-same-as-it-ever-was/ Black, R. (2014). Evolution in the slow lane. National Geographic. https://www.nationalgeographic.com/science/article/evolution-in-the-slow-lane Shear, W, Werth, A. (2014). The Evolutionary Truth About Living Fossils. American Scientist. https://www.americanscientist.org/article/the-evolutionary-truth-about-living-fossils