Jason Mraz does not have a underbite
Humans.
Primitive Humans
Underbite is when the bottom teeth line up in front of top teeth.
No, she does not.
There is no way of knowing this, as it was probably one of the primitive humans who was first tricked into doing something by another primitive human.
Katy Perry
yes
Usually, the upper front teeth comes down just in front of the lower front teeth. Underbite is when the lower front teeth are in front of the upper teeth. Underbite is usually described as more, or less. Possibly bigger or smaller underbite. Talking about a strongerunderbite doesn't quite fit. But it should be obvious that bulldogs have more underbite than than Rottweilers. A Rottweiler shouldn't have any underbite at all.
A Neanderthal is a hominid, belonging to the same family (Hominidae) as modern humans. They were neither primitive nor advanced in comparison to modern humans; they had their own unique adaptations and characteristics that helped them survive in their environment.
No, humans are mammals and evolved from other primitive mammals.
A common underbite treatment is by utilizing braces fitted by a orthodontist. Other appliances may be used, and in some cases surgery can be a choice.