Question

Which of the following is a characteristic of a bony fish?

1) swim bladder
2) dermal denticles
3) spiracles
4) internal fertilization

Answer 1

Swim Bladder

Step-by-step explanation:

The majority of bony fish have swim bladders which are organs that can be filled with air to balance buoyancy.
(I took the test)

Answer 2

Bony fish are characterized by a swim bladder, which helps them control their depth in the water.

Step-by-step explanation:

Bony fish are characterized by several features including a lung or swim bladder, jointed, segmented rods supporting the fins, and a cover over the gills called the operculum. Out of the given options, the characteristic of a bony fish is the presence of a swim bladder, which helps the fish control its depth in the water.