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Chimaera A)an organ for breathing underwater, consisting of membranes through which oxygen can pass B)a deep sea fish with a skeleton of cartilage C)made of cartilage, which is a strong, elastic connective tissue D)a fin that is a fish's tail E)rounded, l...

There are more than _____ varieties of bony fish. 40,000 400,000 200,000 20,000 30,000

Lateral line A)scales that resemble a tooth, having a broad base and a narrow pointed top B)a flap covering the gills of a bony fish C)a deep sea fish with a skeleton of cartilage D)an organ for breathing underwater, consisting of membranes through which...

Placoid A)a flap covering the gills of a bony fish B)an organ for breathing underwater, consisting of membranes through which oxygen can pass C)scales that resemble a tooth, having a broad base and a narrow pointed top D)a deep sea fish with a skeleton of...

A caudal fin is a _____. tail lung vertebrae gill wing

Operculum A)scales that resemble a tooth, having a broad base and a narrow pointed top B)an organ along the side of a fish that can detect movement in the water C)an organ for breathing underwater, consisting of membranes through which oxygen can pass D)a...