Respuesta :
Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many millions of years before the first modern humans, Homo sapiens, appeared.
Dinosaurs were successful group of animals that emerged between 240 million and 230 million years ago and died about 66 millions years ago before humans appeared on the earth.
How does the dinosaurs roamed on the earth before people appeared on the earth?
Dinosaurs were successfully established animals in the Mesozoic era that is 240 millions and 230 million years ago.
They died when a giant asteroid slammed into the earth 66 million years ago.
At that time, no human population existed on earth.
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