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One thing ONLY reptiles have

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4 votes

Answer:

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
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