Q. Which one of the following statements is not correct? [IAS 2008] (Solved)
1. Most reef-forming, corals prefer sea temperature between 17°C and 33°C
2. Coral growth is usually restricted to the upper 25 or 30 m of the sea
3. Coral animals belong to the organisms of Phylum Porifera
4. Coral animals live in a mutualistic relationship with algae
- b. Coral growth is usually restricted to the upper 25 or 30 m of the sea