Question

How does the operculum protect the gills?

Answer 1

Gills:

1. The presence of gills is the main characteristic feature of fishes.
2. Gills are the respiratory organs of fishes. These absorb oxygen from water and release carbon dioxide.
3. In Osteichthyes, the endoskeleton is made up of bones. These are called bony fishes.
4. In these fishes, the gills are covered with a bony flap called an operculum.
5. It acts as a protective layer.