Compare & Contrast: Egypt & China. Ancient Egypt and ancient China had many cultural differences and similarities. While Chinaâs form of government is monarchy, Egyptâs is theocracy. As for their religious beliefs, even though theyâre both polytheistic, they have different Gods. Another difference in the two civilizations is the environment.
Palaeontologists have found what is likely to be the oldest known dinosaur, filling in a yawning evolutionary gap. A study in Biology Letters describes Nyasasaurus parringtoni, a new species from 10-15 million years before the previous earliest dinosaur specimens.
Dinosaurs roamed the Earth for over 160 million years, from about 230 million years ago) until about 65 million years ago when they sudenly became extinct.+ 41 others found this useful. Keith Darfus.inosaurs existed from roughly 220 to 65 million years ago. The first Homo sapiens (modern humans) came into existence 250,000 years ago. This would mean that dinosaurs preceded humans by over 64 million years.