well most animals have teeth only a few like the garder snake and a old man without dentures
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.
Many animals have front teeth. Rabbits, hares, hamsters, guinea pigs, ... ...
Differs between types of animals. An elephant won't have as many as a dog.
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.
animals with sharp teeth
They're called "teeth".
Many animals have absolutely no teeth at all, such as birds or anteaters. However, a sloth has four molars, but no incisors.
Well there are no animals without teeth unless you were to pull them, an animal were to lose them, and natural causes so all animals have teeth
They wait for the animals to decompose (rot) so that they can pull them apart to eat them. Crocks have biting teeth, not chewing teeth.
worms don't have eyes or teeth
the animal with their teeth in their stomach is a lobster
Hornbills do not have teeth. Instead of teeth, their beaks are adapted for their diet, which often includes fruit, insects, and small animals. The structure of their beaks allows them to grasp and manipulate food effectively. This adaptation is common among many bird species, as beaks serve a similar function to teeth in other animals.