A coral reef is a
A. Marine organism
B. Deep sea plant
C. Fragile , highly complex community
D. All of the above

Respuesta :

corals are cnidaria which makes coral reef which is of calcium carbonate and act as eco system in deep marine water !

so the most appropriate answer is C !

Answer:

c.

fragile, highly complex community

Explanation:

Coral Reefs

Edge 2020