What are the 5 principles of natural selection?

9. the history of life on earth is recorded in

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.

Why should organisms reproduce more offspring than will survive? select all that apply.