Posted: Dec 07, 2020 6:40 am
Um.... Since when did anyone say the dorsal fin of marine mammals evolved solely, or even primarily, for stability?
And why assume they all have them?
And why assume they all have them?
Lifeboat for the rational mind :D
http://www.rationalskepticism.org/
http://www.rationalskepticism.org/viewtopic.php?p=2764317#p2764317