HELP PLEASE Which statement best describes the relationship between an allele's frequency and its dominance?
o Frequency and dominance are the same thing.
A dominant allele always has the highest frequency.
A dominant allele usually has the highest frequency.
o Frequency results from environmental stresses, not dominance.

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.