Respuesta :

Lizards and snakes, turtles, crocodilians, and the tuatara are reptiles. The tuatara is the smallest group.

All sauropsids, with the exception of birds, fall into the paraphyletic grouping known as Reptilia, which is the most widely used definition of reptiles. The four groups of living reptiles are squamates, crocodilians, turtles, and rhynchocephalians.

Air-breathing vertebrates known as reptiles have unique skin consisting of scales, bony plates, or a combination of both. Crocodiles, snakes, lizards, turtles, and tortoises are some of them.

Characteristics:

  • Vertebrates include reptiles. They are adamant.
  • Scales fully encircle their entire bodies.
  • They possess frigid blood.
  • Reptiles lay eggs with shells or give birth to live babies.
  • Every species internally fertilises its eggs.
  • Every reptile species has at least one lung.

Learn more about tuatara from:

https://brainly.com/question/967780

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