<human>:  What are the differences between a cat and a dog?
<bot>: The most obvious difference between a cat and a dog is that cats are generally smaller than dogs. They also have different physical characteristics, such as fur type and ears. Cats typically have short fur and pointy ears, while dogs have longer fur and flatter ears. 2 Another difference between cats and dogs is their behavior. Cats tend to be more independent and less obedient than dogs. Dogs are usually loyal to their owners and eager to please, while cats can be more aloof and independent. 3 Furthermore, cats and dogs have different dietary needs. Dogs are omnivores and can eat both meat and vegetables. Cats are strict carnivores and require a diet that is high in protein and low in carbohydrates.4 Finally, cats and dogs have different lifespans. Cats tend to live longer than dogs, with an average lifespan of around 15 years compared to 10-13 years for dogs.