What is a scientific theory?
A.
A statement that cannot be tested scientifically
B.
A statement of fact that describes an action or set of events
C.
A guess or prediction based on previous experience or observation
D.
A unifying model or explanation based on a large body of experimental data

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .