Corals are usually very colourful when seen underwater. Find out what gives them their colours. Also find out what happens when they lose their colour.

Corals are usually very colourful when seen underwater. Find out what

1.	Corals are usually very colourful when seen underwater. Find out what gives them their colours. Also find out what happens when they lose their colour.
Answer» The pigment PROTEINS filter out harmful UV rays. Corals make more of these pigments when they are exposed to very bright LIGHT ... As ocean waters warm, many corals are bleaching. when this happens, they LOSE their algae and their main source of food and TURN WHITE in color