Which of the following statements regarding the Coral reefs is/are incorrect?
1. Coral is found only in the shallow tropical and subtropical waters as they need photosynthesis to survive.
2. Zooxanthellae, the symbiotic organism with the corals, provide carbon skeleton as well as colour.
3. Coral reefs protect coastlines from storms and erosion.
Select the correct option using the codes given below:
1
2 only
2
3 only
3
1 and 2
4
None of the above