Allosaurus is extict and has been for 150 million years.
no, they are still around today.
Missouri is a state - it is not a living thing so it cannot go extinct.
hippos didn't go extinct because they are still producing
Around 850 AD
about 1648
Don't really understand your question, but I will try. Any animal that still has surviving members is not extinct. An easier answer for you would be to go to your library, and check out books on extinct animals.
Never. They will always be around, like cockroaches and rats.
Around 1500 A.D. Or 1700 A.D.
Why did the dinosaurs go extinct? Humans will never go extinct!
it isn't extinct, im joyed to say that there are still 25 among us
Speed estimates for dinosaurs are difficult because they are so different from any modern animals. Paleontologists estimate that the top speed of Allosaurus was between 19 and 34 miles per hour.
They are not extinct...