The skeletons of tiny ocean animals grow together to form ______, structures that are found only in warm, clear ocean water.

Respuesta :

Answer: Coral Reef

Explanation: The skeleton of marine animals are made up calcium carbonate. These are known to be the underwater ecosystem by reef building corals.

Reef are formed by the colonies of the coral polyps which are joined together by the help of calcium carbonate.

They are found in shallow depths having warm water. Cold water coral reefs are found in very smaller amount as compared to that of warm water coral reefs.