Fish for Zoo

Sharks belong to a group of fish called Chondrichthyes.

• True
• False

Sharks lack a swim bladder.

• True
• False

What are the skeletons of sharks and rays made of?

• Chitin
• Calcium carbonate
• Cartilage
• Coldness

The special receptors on a shark’s head can detect:

• a. Oxygen

• b. Electrical impulses

• c. Blood

• d. Other Sharks

The swim bladder of a fish is a sac filled with:

• Oil
• Gas
• Lactic acid
• Seminal fluid

The flap of tissue covering a fish's gills:

• Operculum
• Caudal fin
• Dorsal fin
• Lateral line

Which Phylum do the sharks, skates, rays and bony fish belong to?

• Agnatha
• Echinodiea
• Osteichthyes
• Chordate

What kind of scales does a shark have?

• Placoid
• Ganoid
• Ctenoid
• Cycloid

How many chambers are in the heart of a bony fish?

• 1
• 2
• 4
• 3

A fish extracts oxygen from the water using ____________

• lungs

• gills