By its skin because the crocidile has rough skin so when a crocodile is fighting and what ever bites it , it wont get infected that much so the animal can survive.
To help them move over hot surfaces.
Snakes belly scales are called stomach scales
The scales act as a outer coverings of the animal, and it can help protect it from harm other animals.
Scales benefit snakes by protecting their bodies when they slither.
They are homologous structures. Both are scales, but snakes use them to move and pangolins use them as defense
it help the fish to move swiftly threw the water
animals that have scales are snakes, crocodile's, and fish not only those animals but other species to like dinosaurs which are extinct .
All reptiles have scales. So, some examples would be king snakes, geckos, and tuatara.
Reptiles, such as snakes, lizards, and turtles, are typically covered in scales. Scales are hard, protective structures made of keratin that help these animals retain moisture and provide a barrier against predators.
Of course, the snakes of the world all have scales because they are cold blooded, if they were warm blooded, they would be a mammal and they would probably have fur, so, yes, snakes do have scales.
Vipers have scales, which are a characteristic feature of all snakes. These scales help with locomotion, protection, and moisture retention. Scutes, on the other hand, are bony plates found on the shells of turtles and the undersides of some reptiles, but they are not present in vipers or other snakes.
Lizards have scales, which are a specialized type of skin.