Wed, 22 February 2017
It's easy to assume that every trait - including stubby arms on a terrifying predator - must be beneficial, but the forces of evolution don't really work like that. Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Thanks also to our supporters on https://www.patreon.com/MinuteEarth FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some keywords to get your googling started: ___________________________________________ Credits (and Twitter handles): _________________________________________ Like our videos? Also, say hello on: And find us on itunes: https://goo.gl/sfwS6n If you liked this week’s video, we think you might also like: ___________________________________________ References: Switek, B. (2013). Paleontology: The Truth about the T. Rex 502 (424-426). Retrieved from: http://www.nature.com/news/palaeontology-the-truth-about-t-rex-1.13988 E. Snively, A. P. Russell, G. L. Powell, J. M. Theodor & M.J.Ryan (2014). The role of the neck in the feeding behaviour of the Tyrannosauridae: inference based on kinematics and muscle function of extant avians. Journal of Zoology 292 (290-303). Retrieved from: http://onlinelibrary.wiley.com/doi/10.1111/jzo.12109/abstract Middleton, K., and Gatesy, S. (2000) Theropod forelimb design and evolution. Zoological Journal of the Linnean Society 128 (149-187). Retrieved from: http://onlinelibrary.wiley.com/doi/10.1111/j.1096-3642.2000.tb00160.x/abstract Lynch, M., Ackerman, M., Gout, J., Long, H., Sung, W., Thomas, W., and Foster, P. (2016). Genetic drift, selection and the evolution of the mutation rate. Nature Reviews: Genetics 17 (704-715). Retrieved from: http://www.nature.com/nrg/journal/v17/n11/full/nrg.2016.104.html |