The pioneer organisms in ecological succession are usually the? by Sunday | Sep 11 | Biology JAMB | 0 comments A. mosses B. lichens C. ferns D. algae Correct Answer: Option B – lichens Users Also Read These:The main ecological problem facing intertidal organisms is?Secondary succession is much faster than primary…The following are associated with succession EXCEPT?Briefly explain FOUR ecological factors that affect…The following habitats can be used in the study of…