Corridor of Presidents ~ See all the nation’s presidents in this Audio-animitronic presentation of America’s history. Pterosaur are flying reptiles that developed separately from birds, and so they aren’t dinosaurs because that term applies to animals descended from the orders Saurischia and Ornithischia. That is based on the continuity of fossil file (hip joints) so we are able to determine evolutionary relationships. Dimetrodons are synapids (like mammals) and more closely related to mammals, outlined by features of their skull, but they appeared earlier than dinosaurs. Plesiosaurus-sort animals are additionally not dinosaurs. These phrases are just based on cladistical methodological however the time period dinosaur turned into an adjective describing all of these prehistoric reptilian animals. So I suppose there isn’t a name to name them akin to dinosaur. I call pterosaurs archosaurs however that identify consists of dinosaurs too.
Zoos are educational” Zoos encourage generations of youngsters to care about … Read more