What is the difference between a cat and a dog

Cats are feline and dogs are canine.

The difference between  a cat and a dog, dogs bark a lot and bite and are also trained for fires, policemen, and people who are sick, and also to be guard dogs for robbers, and also a man's best friend.  cats say meow and look at u a lot and like yarn and to scratch u and your stuff, and they kill birds, that's why they take them to the vet to get them neutered so they can stop reproducing and making more cats