no. scientists are still trying to make some but there are none. you got that from Jurassic park!
Yes because when we are not exist yet dinosaurs rule the earth but today there are no dinosaurs here.
No, dinosaurs are neither a hypothesis nor is there a "hypothesis of Earth".
The duration of When Dinosaurs Ruled the Earth is 1.6 hours.
Dinosaurs first appeared in the tertiary stages of the Earth. Tertiary was when the dinosaurs ruled the earth. Then there was jurassic and then creteacious
Birds looked like cockroaches when dinosaurs ruled the earth.
Most likely, no. The Earth's core is far to hot for a community of dinosaurs to thrive.
After the dinosaurs died out came the era of mammals.
the dinosaurs of course
dinosaurs
no
Yes They have been on earth for 450,000,000 years, that's longer than dinosaurs
Dinosaurs lived and died out about 65 million years before humans walked the Earth.