Final answer:
Reptiles in the class Reptilia are characterized by their scaly skin, lung breathing, and shelled eggs on land.
Explanation:
Reptilia is a class of tetrapod vertebrates known for adaptations such as scaly skin containing keratin, which reduces water loss. Reptiles breathe using lungs and have a three-chambered heart. They lay shelled eggs on land and possess scaly skin.
Learn more about Reptiles and class Reptilia here:
https://brainly.com/question/39957559
