Marine

There are about _____ different types of fish.

• 10,000

• 30,000

• 1,000,000

• 1,000

Most fish have what covering their bodies

• Scales

• Gills

• Skin

• Feathers

The skeletons of sharks is made of...

• Bone

• Cartilage

The bony plates covering a bony fish's gills:

• Operculum

• Caudal fin

• Dorsal fin

• Lateral line

What is the name of the internal structure that controls a bony fish's depth in the water?

• Liver

• Air Pocket

• Lung Bladder

• Swim Bladder

The tail fin of a fish is also known as the __________ fin.

• Pectoral

• Pelvic

• Dorsal

• Caudal

Countershading (dark backs, silver sides, and white bellies) is a common form of camouflage in ______fishes.

• coral reef

• eel grass bed

• pelagic (open ocean)

• deep sea

Tags

NGSS.MS-LS4-4

What kind of scales does a shark have?

• Placoid

• Ganoid

• Ctenoid

• Cycloid

Lampreys and hagfish lack

• teeth

• heads

• mouths

• jaws

Tags

NGSS.MS-LS4-2

Which of these is not a class of fish?

• Agnatha/Jawless

• Condrichthyes/Cartilaginous

• Osteichthyes/Bony

• Osteonthyes/Boneless