Question

Sunlight is extremely important for the development and growth of coral.

This important factor of survival for the coral reef is-

Answer 1

coral always grow in shallow water

Answer 2

Sunlight: Corals need to grow in shallow water where sunlight can reach them. Corals depend on the zooxanthellae (algae) that grow inside of them for oxygen and other things, and since these algae needs sunlight to survive, corals also need sunlight to survive.