Why Are Healthy Corals Brightly Coloured

Multiple Choice

Why are healthy corals brightly coloured?

A) Corals secrete colourful pigments to attract mates.
B) Corals build their skeletons from colourful minerals.
C) Corals host symbionts with colourful photosynthetic pigments.
D) Corals secrete colourful pigments to warn predators that they are poisonous.
E) Corals secrete colourful pigments to protect themselves from UV light.