<span>All organisms mutate their genome automatically when an environment changes, creating new traits and structures.</span>
In frogs, different mating seasons are a barrier to reproduction.
The nucleus contains most of the genetic material, or DNA, of the cell.
Another geologic event that may occur in the dark shaded area on the map is wildfire. The dark shaded area as shown in the map, is an area more commonly known as "The Ring of Fire". Volcanic activity is very common in this area, due to to the many volcanos present.
bt bb bz bz bs bs db h bj bg
Explanation:
hajans