Fish Test Review

Fish are...

• Vertebrates
• Invertebrates

Most fish have what covering their bodies

• Scales

• Gills

• Skin

• Feathers

Fish breathe using

• gills

• lungs

• antennae

The skeletons of sharks is made of...

• Bone
• Cartilage

The structure labeled #5 is the

• dorsal fin.

• gill filament.

• operculum.

• lateral line.

The structure labeled #9 is called the

• pectoral fin.

• operculum.

• pelvic fin.

• jaw.

To rise in the water, a bony fish fills its swim bladder with gas from

• its gills.

• its bloodstream.

• the surrounding water.

• its lungs.

The lateral line system enables a fish to

• detect vibrations in the water.

• see objects at a distance.

• smell.

• swim rapidly.

Most fishes have a _______________ that helps them move up and down in the water or remain at a given depth.

• swim bladder

• oxygen tank

Sharks have a swim bladder

• True

• False