Chapter 39 fish & vertebrate chordates

Which of the following describes the FIRST fish that appeared in the ocean?

• Lack of scales
• Lack of jaws & teeth
• Lack of gills
• Lack of a heart

What type of skeleton does a shark have?

• Bone
• Cartilage

What type of skeleton does a bony fish have?

• Bone
• Cartilage

Which of the following means "without jaws"?

• Bony
• Notochord
• Agnatha
• Early

What term would be used to describe how a lamprey feeds?

• Saprophytic
• Parasitic
• Autotrophic
• Mutualistic

Sharks and fish with cartilage have eggs are fertilized internally.

• True

• False

What structure draws water into the body of a fish and protects the gills?

• The swim bladder

• The pharynx

• The lungs

• The operculum

Bony fish include which of the following?

• Ray & lobe finned fish
• Lobe & lung fish
• Placoid & cartilage fish
• Acanthodian & Coelocanth fish

What type of fish is Class Actinopterygii?

• Jawless
• Cartilaginous
• Bony

What type of fish is Class Cephalospidomorphi?

• Jawless
• Cartilaginous
• Bony