Fill in the blanks in the passage with the most appropriate set of words from the options for each blank.
........ the view that each species has been independently created, I can see no explanation ........ this great fact ............ the classification of all organic beings; but, ......... the best of my judgment, it is explained ......... inheritance and the complex action of natural selection, entailing extinction and divergence of character, ......... we have seen illustrated in the diagram.