Coral Reef : A marine ridge or mound comprised primarily of coral, together with algal and mineral components, which forms the foundation for a biologically rich and diverse ecosystem.
(A marine ridge or mound comprised primarily of coral, together with algal and mineral components; forms; the foundation for a biologically rich and diverse ecosystem)
A marine ridge or mound comprised primarily of coral, together with algal and mineral components
forms
the foundation for a biologically rich and diverse ecosystem