What is the difference between a cat and a dog?

Cats and dogs belong to different taxonomic groups of the carnivorous class, they have many differences both in the structure of the skeleton and appearance, and in their behavior. Cats have color vision, while dogs have black and white vision. In cats, the head is round, the ears are small, the body is dense, the legs are short compared to the size of the animal, and the claws are retracted. In dogs (in wild species and natural breeds), the ears are large, the muzzle is elongated, the legs are elongated in length, the claws are not retracted. Moreover, both of these animals are considered pets.