Fish

Fish are...

• Vertebrates
• Invertebrates

Sharks and rays

• Jawless
• Cartilaginous
• Bony

Goldfish, tuna, trout, bass are all

• Jawless
• Cartilaginous
• Bony

The skeletons of sharks is made of...

• Bone
• Cartilage

What does the swim bladder control?

• The fish's position in the water (helps it float)
• The fish's need for food
• The fish's swimming speed
• All of these

Openings on a sharks head that aid in breathing are _________.

• blow holes

• air holes

• breathing slits

• gills slits

The _________ runs down the length of the body of a fish and is a sensory organ.

• lateral line

• longitudinal line

• sensory nerve

• sensory line

Which of the following is a cartilaginous fish?

• salmom

• whale

• eel

• ray

The scientific name for fish that have a bony skeleton is ________.

• Chondrichthyes

• Agnathas

• Osteichthyes

• Cetaceans

All of the fish belonging to the Class Chondrichthyes have a skeleton made of ___.

• Cartilage

• Bone

• Cartilage and Bone

• none of the above