No animal has four stomachs.
complex animal have two stomachs
frogs and starfish
There are actually many animals that have four stomachs; two of the commonly known ones in the United States are cattle and bison.
There are a few animals that have 3 stomachs. Some of the animals are llamas, camels, and other relatives of these animals.
Bison have four stomachs like all other bovines in the bovidae family.
No Queazy stomachs, Calm and Relaxed, Good with animals
Gizzards are stomachs but are in animals we call them gizzards because they are formed different from the human
For the same reason as humans. Teeth are essential for the mastication (chewing) stage of digestion. Teeth can also be used as a defence mechanism for many animals.
There is no such animal on Earth at this time, that we know of. The animal with the most number of stomachs is the cow, which has a total of four.
Lobsters have their teeth in their stomach. They chew their food in their stomach, which is very close to their mouth, between three grinding surfaces that look like molar teeth called the "gastric mill".
An animals teeth are not often healthy and that is why there is toothpaste and brushes for dog/cat teeth. When you take your dog to the vet he looks at the teeth. Wild animals are often missing teeth and animals in zoos get dental care.