A molecular biologist is attempting to perform a Southern blot. After running the gel electrophoresis and blotting with paper, he attempts to visualize the fragment bands with an ultraviolet light, but no single band is fluorescing. Which of the following is the best explanation of why the experiment didn't work?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.