Vertebrates

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 

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 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

The number of chambers (parts) of an animal’s heart tells us a lot about how complex their body is and how evolved they are.  How many chambers does a fish’s heart have? 

• 2
• 2 or 3
• 3 or 4
• 4

The number of chambers (parts) of an animal’s heart tells us a lot about how complex their body is and how evolved they are.  How many chambers does an amphibian’s heart have? 

• 2
• 2 or 3
• 3 or 4
• 4

The number of chambers (parts) of an animal’s heart tells us a lot about how complex their body is and how evolved they are.  How many chambers does a reptiles’s heart have? 

• 2
• 2 or 3
• 3 or 4
• 4

The number of chambers (parts) of an animal’s heart tells us a lot about how complex their body is and how evolved they are.  How many chambers does a birds’s heart have? 

• 2
• 2 or 3
• 3 or 4
• 4