AP BIOLOGY

Detailed explanation-1: -Reptiles have dry, scaly skin. The skin of reptiles is roofed with scutes or scales which, alongside various other characteristics, discriminate reptiles from animals of other classes. Reptile scales are frequently brightly colored and differ in shape and size throughout their body.

Detailed explanation-2: -Reptiles are turtles, snakes, lizards, alligators and crocodiles. Unlike amphibians, reptiles breathe only through their lungs and have dry, scaly skin that prevents them from drying out.

Detailed explanation-3: -Reptile skin is covered with scutes or scales which, along with many other characteristics, distinguish reptiles from animals of other classes. They are made of alpha and beta-keratin and are formed from the epidermis (contrary to fish, in which the scales are formed from the dermis).

Detailed explanation-4: -Reptiles have a tough, dry, scaly skin that protects them from predators and allows them to live in dry places by reducing water loss. Reptilian scales are made of keratin, like hair, and found in an overlapping arrangement. This creates a sort of environmental shield for the animal.

Detailed explanation-5: -Lizards are scaly-skinned reptiles that are usually distinguished from snakes by the possession of legs, movable eyelids, and external ear openings. However, some traditional (that is, non-snake) lizards lack one or more of these features. For example, limb…