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
