The body method of a coral is referred to as a ‘polyp’. Polyps are tubular, with tentacles plus a mouth at 1 end. The coral secretes a hard substance termed calcium carbonate being a protecting exoskeleton. Coral reefs are formed because of the exoskeletons of coral colonies. The fossil file https://zanebxqia.vigilwiki.com/7051905/animal_sex_fundamentals_explained