Did the Earth look the same as it does today?
At the time of the reptiles, the Earth turned into warm and dry. There changed into simply one landmass because the continents had now no longer but formed, and there has been no polar ice because it turned into too warm. Reptiles – a number of them as lengthy as 6 metres (20 feet) – roamed the land. These primitive reptiles advanced into dinosaurs, approximately 210 million years ago, toward the cease of the primary a part of the Mesozoic era.