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 order of primary succession by plants in a very…The main ecological problem facing intertidal organisms is?The following are associated with succession EXCEPT?Briefly explain FOUR ecological factors that affect…Climax communities in a biotic succession are…