MC Zoo 10.1.1 old

The bony plate that covers the gills of bony fish is called the:

• Operculum
• Gill raker
• Ostracoderm
• Epiglottis

What is the function (job) of fish gills?

• To absorb oxygen from the water
• To absorb water from the water
• To make the fish lighter
• To make the fish faster

Which group of fish are the bony fish?

• Osteichthyes
• Agnatha
• Chondrichthyes
• Polyplacophora

Which group of fish include sharks, rays and skates?

• Chondrichthyes
• Agnatha
• Osteichthyes
• Polyplacophora

Which of the following fish would belong in Class Osteichthyes?

• Largemouth bass
• Ray
• Bull shark
• Hagfish

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

• its bloodstream.
• its gills.
• the surrounding water.
• its lungs.

The lateral line system enables a fish to

• detect vibrations in the water.
• smell.
• see objects at a distance.
• 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

The tail of a fish is also called its

• Caudal fin
• eyes
• lateral line
• dorsal fin