Ongoing studies at Mount St. Helens have added to scientific knowledge about succession. Which two statements about succession are true? A. During succession, the biodiversity in an area often increases over time.
B. The earliest stages of succession usually have the highest biodiversity.
C. Only one species at a time will colonize an area.
D. Many species can colonize an area at the same time.
E. Chance does not play a part in determining when species colonize an area.