1.

Information about coral reefs and sea fan.

Answer»

Coral reefs: 

1. A coral reef is an underwater ecosystem characterized by reef building corals.

2. Coral reefs constitute 25% of all marine species on the planet. 

3. They belong to phylum Cnidaria. 

4. There are three main types of coral reefs – fringing, barrier and atoll. Coral reefs provide ecosystem services for tourism, fisheries and shoreline protection. 

5. They cannot survive in high temperatures, thus due to climate change there is a sharp decline in their population.

Sea fan or Gorgonia: 

1. It is a soft coral composed of numerous polyps – cylindrical, sessile (attached) forms that grow together in a flat, fan-like pattern. 

2. It belongs to phylum Cnidaria. 

3. It does not produce calcium carbonate skeletons.


Discussion

No Comment Found

Related InterviewSolutions