If the number of species in a given area increases, which of the following happens?
1) the species diversity increases.
2) the biodiversity decreases.
3) the biodiversity increases
4) the genetic diversity increases.

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell