What is a Shark?

To start off Shark Week 2019, we're asking a seemingly simple question that might turn out to be more complicated than you had realised - what actually is a shark? Join our Discord server: discord.gg/3KgpG8J Subscribe to our subreddit: www.reddit.com/r/BenGThomas Music by Matt D Holloway: goo.gl/9wX4ht Subscribe to explore the wonderful life around you! Social Media: ►Twitter: twitter.com/BenGThomas42 ►Facebook: www.facebook.com/bengthomas42/ ►Instagram: bit.ly/1PIEagv ►Google+: bit.ly/1ObHejE Sources: www.elasmo-research.org/education/evolution/geolog… www.elasmo-research.org/education/evolution/earlie… www.elasmo-research.org/education/evolution/origin… en.wikipedia.org/wiki/Shark www.fao.org/3/y5261e/y5261e08.htm www.tandfonline.com/doi/abs/10.1080/24701394.2017.… www.sharksider.com/what-is-a-shark/ www.elasmo-research.org/education/evolution/ancien… www.thoughtco.com/what-is-an-elasmobranch-2291710 www.sciencedirect.com/science/article/pii/S1055790… www.elasmo-research.org/education/classification/c… www.elasmo-research.org/education/classification/w… www.amazon.co.uk/Sharks-Silent-Hunters-Deep/dp/086… www.nature.com/articles/nature20806 en.wikipedia.org/wiki/Eugeneodontida www.ncbi.nlm.nih.gov/pmc/articles/PMC3639784/ en.wikipedia.org/wiki/Acanthodii www.nature.com/articles/nature12617 web.archive.org/web/20131031034648/http://www.natu… digitallibrary.amnh.org/handle/2246/6701 www.researchgate.net/publication/299452946_The_dip…

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