Reef-building coral are marine animals with single-celled algae living in their tissues. The coral provide protection for the algae and the algae provides food for the coral.



Which of these statements best explains what would happen to the coral if the algae die?

A.
The coral would grow well because it does not have a parasite.

B.
The coral would die because it needs the food produced by the algae.

C.
The coral would die because it cannot produce food for the algae.

D.
The coral would grow well because it does not have a competitor.