Happy horse is trotting westward and covers 200 meters in 20 seconds - what is his velocity?

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.

The dense layer of connective tissue that surrounds an entire skeletal muscle is the

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?