By adjusting the volume of gas in ____, a ray-finned fish can change its buoyancy so that it remains suspended at the desired depth.

Question

Quizplus · Accepted Answer

The swim bladder is a gas-filled sac located in the abdominal cavity of ray-finned fish that helps them control buoyancy. By adjusting the volume of gas in the swim bladder, fish can change their buoyancy and remain suspended at a desired depth. Lungs are not present in ray-finned fish, and gills are used for respiration, not buoyancy control. A buoyancy sac is not a recognized anatomical structure in fish.

By Adjusting the Volume of Gas in ____, a Ray-Finned