Ch 19 Vertebrate Animals

Which class of vertebrates has the most species?

• Jawless Fish
• Bony Fish
• Birds
• Mammals 

Which class(es) of vertebrates have scales? 

• All 3 classes of Fish
• Reptiles 
• Birds
• All of the above

Which class(es) of vertebrates have feathers? 

• All 3 classes of Fish
• Reptiles 
• Birds
• Mammals 

Which class(es) of vertebrates have fur? 

• Amphibians 
• Reptiles 
• Birds
• Mammals 

Respiration occurs in different ways with different animals.  What structure do fish (all 3 classes with a few exceptions) use to breathe?

• Gills 
• Lungs 
• Skin
• All of the above 

Respiration occurs in different ways with different animals.  What structure do amphibians use to breathe?

• Gills 
• Lungs 
• Skin
• All of the above 

Respiration occurs in different ways with different animals.  What structure do reptiles use to breathe?

• Gills 
• Lungs 
• Skin
• All of the above 

Which class(es) of vertebrates are ectothermic? 

• All 3 classes of Fish & Amphibians 
• All 3 classes of Fish, Amphibians, and Birds
• All 3 classes of Fish, Amphibians, and Retiles
• Mammals 

Which class(es) of vertebrates are warm-blooded? 

• All 3 classes of Fish, Amphibians, and Birds
• Birds and mammals 
• Mammals 
• All 3 classes of Fish, Amphibians, and Retiles

Which class(es) of vertebrates lay their eggs in water? 

• All 3 classes of Fish & Amphibians 
• All 3 classes of Fish, Amphibians, and Birds
• All 3 classes of Fish, Amphibians, and Retiles
• Birds