It’s a common misconception that the famous fish coming onto land (Tiktaalik Roseae) was the immediate ancestor of all terrestrial vertebrates, but that’s wrong! Here, I explain how evolution works in this scenario and why we most likely this fish is not specifically our immediate ancestor.
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[CLOSED CAPTIONS ARE AVAILABLE ON THIS VIDEO]
0:00 The Most Destructive Cartoon in Science History
0:58 Meet Tiktaalik
1:49 Other fish can come onto land…
2:19 Hypothetical selective pressures
3:51 Evolution has no purpose
5:13 the real kicker
Further Readings on Today’s Subject:
www.britannica.com/animal/Tiktaalik-roseae
www.ncbi.nlm.nih.gov/pmc/articles/PMC9323002/
www.nature.com/articles/nature04637
www.nature.com/articles/s41586-021-03198-8
WHO AM I?
Hi! I’m Dan. I have an Honours B.Sc in Biology and Psychology, Neuroscience & Behaviour (that’s not four different majors it’s two) with a focused interest on evolution and behaviour. I have a lot of thoughts and need creative outlets at all times, so making these videos is a great way to cope with the struggle of indefinite existence. I plan to stick around on UA-cam for a while, so I hope to see you around for years to come :)
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Contact me here: daninblueofficial@gmail.com
MUSIC I USED:
"Galactic Rap" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
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"Waterfall" Undertale
“2 AM” Lud and Schlatts Musical Emporium
Creative Commons ► Attribution 3.0 Unported ► CC BY 3.0
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"A Brand New Start" TrackTribe (UA-cam Audio Library)
"Magistar" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
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“Helium” TrackTribe (UA-cam Audio Library)