Why do scientists refer to Charles Darwin\'s ideas about evolution as the theory of evolution? A.After numerous hypotheses were developed by Charles Darwin, they were collected together into a theory. B.Contemporary scientists do not accept it as a viable way of looking at the world. C.Evolution only works theoretically. D.It is the best understanding that we have of that part of the natural world. A.After numerous hypotheses were developed by Charles Darwin, they were collected together into a theory. B.Contemporary scientists do not accept it as a viable way of looking at the world. C.Evolution only works theoretically. D.It is the best understanding that we have of that part of the natural world. Solution D.It is the best understanding that we have of that part of the natural world. Theory of Evolution is one of the best substantiated theories that explains the formation of species on this planet. It is supported by evidence from a wide variety of scientific disciplines, including paleontology, geology, genetics and developmental biology. D.It is the best understanding that we have of that part of the natural world..