Question: what are the main characteristics of reptiles quizlet?
Answer: Ectothermic. ... 
Dry scales (impermeable to water) shared several times a year, toes with Clauss, body plan better adapted to living on land. ... 
Paired limbs. ... 
Bone. ... 
Carnivores and herbivores. ... 
Lungs are spongy, allows for more gas exchange most reptiles have two, snakes only have one lung.