Ch 31 Reptiles & Birds

Reptiles have skin that allows gases and water to diffuse through it 

• true
• false

The sense organ on the roof of the mouth that some reptiles use to sense odors 

• carapace
• Jacobson's organ 
• plastron 
• amnion 

Which class do birds belong to? 

• Anura 
• Aves
• Squamata
• echinoderms 

Are birds endotherms or ectotherms? 

• endotherms 
• ectotherms 

Animals who regulate their body temperature internally with metabolism are ___

• endotherms 
• ectotherms 

Which structures do birds share with no other animals? 

• clawed toes
• feathers
• shelled eggs
• scales on their feet 

In reptiles, water is not necessary for fertilization because reptiles have

• sexual reproduction
• asexual reproduction
• internal fertilization
• external fertilization 

A snake that kills by wrapping around its prey until it cannot breathe is called a ___. 

• pit viper
• constrictor
• cotylosaur
• chelonian

A snake flicks its tongue as a ___

• sign of aggression
• way of breathing
• warning
• way to test chemicals in the air 

A(n) ___ is a lightweight, modified scale that provides insulation and enables flight 

• sternum 
• hollow bone
• feather
• hair