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because some are prey and some are predators
Your wisdom teeth are the teeth in the waaayy back of your mouth, top & bottom. Some people lose them, some people don't. They usually don't fall out, though.
It depends on what they eat
Oh, dude, that's like a classic riddle! The answer is teeth. Some of them are canines, like the sharp ones, and others are wisdom teeth. So, yeah, teeth is the answer. Cool riddle, right?
Normally children have one set of 20 baby (primary) teeth. All of them should fall out. If they don't, then they have to be pulled or they will interfere with the adult teeth trying to come in.
Not all people get their wisdom teeth. Some get all four wisdom teeth, some get just one, and others have some that never erupt.
No, dog teeth do not fall out and regrow like human teeth. Dogs have two sets of teeth in their lifetime: baby teeth, which fall out and are replaced by permanent adult teeth.
Most commonly all 20 milk/baby teeth. However some people lose less and they fall when they are much older which people mistaken as third generation teeth
This happens because differentiated teeth is what God wanted.
Usually horses teeth wont fall out, unless the horse is very old, or has had an injury that makes his/her teeth get knocked out. I would say about 30+ years for a horses teeth to just fall out, if they fall out at all.
crocodiles teeth do fall out as human teeth. it needs a bit of TLC and brushing to keep it a cracking deals
The baby teeth of girls usually fall faster than those of the boys.