Which of the following is an accurate statement of the relationships within this cladogram? clades a and c are more closely related than clades a and d. clade 1 is ancestral to all the other clades. clades 3 and 7 are more directly related than clades 3 and 6. clades 4 and 5 are ancestral to clades 1 and 2.

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.