Jawless and Cartilaginous Fish

What kind of scales does a shark have?

• Placoid
• Ganoid
• Ctenoid
• Cycloid

A collective name for sharks, rays and skates.

• Ichthyes
• Elasmobranchs
• Crustaceans
• Tunicates

Tags

NGSS.MS-LS4-2

Fish are...

• Vertebrates
• Invertebrates

Lampreys and hagfish lack

• teeth

• heads

• mouths

• jaws

Tags

NGSS.MS-LS4-2

The feeding mode of lamprey is considered:

• predation

• scavenging

• parasitism

• filter feeding

How many years ago did fish first appear?

• 500,000

• 5 million

• 50 million

• 500 million

Tags

NGSS.MS-LS4-1

Which type of fish is the most primitive?

• Jawless

• Cartilaginous

• Bony

• Fresh water

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Cartilage is different from bone because

• It's more flexible

• It's lighter

• Both answers are correct

The lobes of the caudal fin in most sharks are:

• Of equal size

• The top lobe is bigger than the bottom

• The bottom lobe is bigger than the top

These cartilaginous fish live on the bottom, lack a stinging spine and lay eggs

• Sting rays

• Electric rays

• Manta rays

• Skates