The Tiktaalik roseae fossil was recently discovered. This fossil is of a fish that lived approximately
370 million years ago. It had scales like fish. Unlike other fish fossils, this fossil has fins
with
jointed wrists similar to the wrist of a crocodile.
Jointed
Tikaalik roseae
Wrists
Which reason is the MOST likely for the natural selection of this type of jointed wrist?
calcium buildup in bones
O reproduction between various species
O increased survival rates of the animals
sudden decreases in sea levels