Question

One thing ONLY reptiles have

Answer 1

Reptile, any member of the class Reptilia, the group of air-breathing vertebrates that only have:

• internal fertilization

• amniotic development

• epidermal scales covering part or all of their body
• they have backbones
• cold-blooded
• they can produce shelled eggs or bear live young
• fertilize eggs internally
• have at least one lung