Question

The gills in which one of the following are covered with operculum

Answer 1

Answer:

what is operculum?

Explanation:

Answer 2

❤[Answer]❤

Cartilaginous fish and primitive fish have covered gills known as an operculum. The operculum is a series of bones which is found in bony fish. These act as facial support and also cover the gills.

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