Secondary Succession Occurs More Quickly Than Primary Succession Mainly Because

Question

Secondary succession occurs more quickly than primary succession mainly because ____.  
A) improved soil is present from the start
B) disturbances in the community exposes more soil
C) rocky areas contain more minerals
D) sunlight is more available
E) nitrogen-fixing bacteria are present

Accepted Answer

Secondary succession occurs on soil that already contains nutrients and organic matter from previous plant growth, which allows for faster colonization by vegetation compared to the barren soil of primary succession.