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.
The oldest living animal species on Earth cannot be known for sure, because not every animal species or fossil has yet been discovered, but the current best guess is the horseshoe crab, which has remained pretty much unchanged since the Ordovician period, 445 million years ago.