Q. With reference to the conditions required for the formation of Coral Reefs, Which of the following is/are incorrect?
Select the correct answer using the code given below:
Explanation:
Statement 1 is incorrect- Warm water temperature: Corals generally live in water temperatures of 20–32° C.
Statement 2 is correct- Sunlight: Corals need to grow in shallow water where sunlight can reach them. zooxanthellae (algae) needs sunlight for photosynthesis.Corals have a symbiotic relationship with zooxanthellae; they are dependent on algae for food. Hence, corals rarely develop in water deeper than 50 meters.
Statement 3 is incorrect
Additional information: