1. check your spelling/english
2.it's not who, it's "what"
3.dinasour=a animal
4.most people choose T-rex because it's like almighty king of dinasours(historic figure)
5.it's not actually the biggest or the most fearsome of 'em all, although it sounds scary...
dinosaurs
Dinosaurs.
The birds, having evolved from dinosaurs, are their closest living relatives. Crocodilians are the second closest relative of dinosaurs.
Dinosaurs were not invented. They were an actual type of animal.
Crocodile it has been alive since the dinosaurs
The largest animal alive today that is related to dinosaurs would be the saltwater crocodile.
dinosaurs
Birds are the closest living relative of a branch of dinosaurs (they're actually descended from dinosaurs whereas we're descended from reptiles), so they would be the most similar.
Animal Atlas - 2004 After the Dinosaurs was released on: USA: 13 May 2011
Dinosaurs evolved first and then some dinosaurs evolved into birds. So all birds are technically dinosaurs.
It is believed that dinosaurs came before bats.
There is no evidence of dinosaurs drinking anything besides freshwater. Most fossils of any animal are of animals that fell into rivers or lakes after death and were buried in mud.