The body sort of a coral is referred to as a ‘polyp’. Polyps are tubular, with tentacles as well as a mouth at 1 close. The coral secretes a hard compound referred to as calcium carbonate as a protecting exoskeleton. Coral reefs are shaped via the exoskeletons of coral colonies. https://trentonzwsoi.wikilinksnews.com/6230425/5_simple_techniques_for_animal_sex