This is formed by a rocklike accumulation of calcareous skeletons
[DOC] [TLE] Conservation and Management of Ocean Resources (With Diagram) [PAR] It is formed by a rocklike accumulation of calcareous (calcium-containing) 
skeletons of coral animals, calcareous red algae and molluscs, which form an... [DOC] [TLE] Lire les rsums / Read the abstracts [PAR] housing unit and the coral skeleton, ii) and secondly, creating