dinousours became exstinct 22 BC's
they are not exstinct.
It sucks
Not Even Close
the cretacece
we have to protect whales because, if we do not they will go exstinct and if they go exstinct then whatever depends on the whales will no longer have that dependence and with out they they could very well go exstinct
They didn't
why are bevers getting exstinct
You and I are both mammals, and we are definitely not extinct.
The Thylacine (Tasmanian wolf).
Whales will become exstinct.
Exstinct