Because a big mediator hit the earth and had many animals extinct. Scientist know this because the layers of the dirt has a substance only made from space.
Wooly Mammoth
Elephants are not extinct, although they are highly endangered. You may be thinking of some of their relatives, like the wooly mammoth which have died out.
its not actually a dinosaur it is an extinct annimal that was related to the elephant its called a wooly mammoth or just the mammoth.
very fast not
yes thay eat leaves
I guess the wooly mammoth, which is extinct.
Wooly Mammoth
Elephants are not extinct, although they are highly endangered. You may be thinking of some of their relatives, like the wooly mammoth which have died out.
dodo birds, wooly mammoths, saber tooth tigers,
Woolly Mammoths have been extinct for over 10,000 years
The dodo, T. Rex, Giant Sloth, Wooly mammoth, etc.
No, nobody has ever cloned an extinct animal from DNA.
Indian elephant
around 6,000 b.c. it originated in Africa it went extinct around 456b.c.
None. The wooly mammoth is extinct. It was a separate, distinct species.
Wooly mammoth and saber tooth cat
No it is not possible, once they're extinct they can't come back.