Question

Why are coral reefs so colourful? ​

Answer 1

Answer:

Colorful corals contain symbiotic algae, or zooxanthellae, which are brownish or green because of the photosynthetic pigment called “chlorophyll”. The chlorophyll is responsible for the brown or green coloration. ... These pigments can appear red, purple, blue, mauve or other colours.

Explanation:

Answer 2

Explanation:

Colorful corals contain symbiotic algae, or zooxanthellae, which are brownish or green because of the photosynthetic pigment called “chlorophyll”. The chlorophyll is responsible for the brown or green coloration. ... These pigments can appear red, purple, blue, mauve or other colors.

Please mark me as brainliest