Which of the following patterns in the fossil record would be an example of an organism evolving through punctuated equilibrium? a
a species of flower changing in shape, followed by a change in the beak shape in its preferred species of pollinator
b
whale species gradually changing from land-dwelling mammals that walked on four legs to marine mammals without legs
c
the shell shape of a species of snail remaining unchanged for millennia until it changes to an entirely different shape
d
dorsal fins appearing, disappearing, and reappearing in species of ancient aquatic reptiles, mammals, and fish