Which is a difference between animal populations in primary succession and secondary succession?
a.
there is more animal biodiversity after the process of primary succession has been completed.
b.
animals can be present during the start of secondary succession, but they are never present during the start of primary succession.
c.
there is more animal biodiversity after the process of secondary succession has been completed.
d.
animals can be present during the start of primary succession, but they are never present during the start of secondary succession.