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 diagram above is an illustration of organisms in…Briefly explain FOUR ecological factors that affect…Secondary succession is much faster than primary…BIO 115 Theory Questions: Ecological Succession:…Micro-organisms which break down dead organisms and…