Most reef-building corals have communal algae actually living inside the flesh of the corals.

Most reef-building corals have communal algae actually living inside the flesh of the corals. Name and describe these symbiotic algae and tell what limiting factor their presence in corals give the coral animals in terms of where they can grow.

There could be observed photosynthetic algae zooxanthellae in the tissues of most reefbuilding corals. In fact, both of these creatures share a symbiotic relationship as; coral provides asafe...