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Elephant tusks are teeth, they don't grow back. Rhino horns on the other hand are hair, so they grow back.
by kelipso 3y ago
Elephant tusks are teeth, they don't grow back. Rhino horns on the other hand are hair, so they grow back.
- OJFord 3y agoSo are 'milk teeth' hair, and adult teeth teeth? More seriously - that's a funny evolutionary result isn't it, (exactly) two sets of teeth in life?
- undersuit 3y agoYou're born with both sets of teeth, no hair teeth here, usually unerupted. https://en.wikipedia.org/wiki/Human_tooth_development https://en.wikipedia.org/wiki/Human_tooth_development
- shiroiuma 3y agoYeah, if you've never seen one, take a look at a child's skull: it's freaky-looking. Most people have no idea because we don't normally see these, only adult ones.