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Matter is never created or destroyed
Matter is never created or destroyed
Matter is never created or destroyed
Matter is never created or destroyed
Evolution is generally a gradual process, such that it is generally difficult to classify transition species one way or the other. Would you say birds are reptiles? Birds are dinosaurs. Dinosaurs and reptiles share a common ancestor, probably dating to some time in the early Triassic. That would be around 250 million years ago.
No. Pterosaurs share a common ancestor with the dinosaurs, but are not classed as dinosaurs themselves. Birds, however, descend from a group of dinosaurs called theropods; the earliest bird know, Archaeopteryx, dates to about 150 million years ago. The theropods also include dinosaurs such as T. rex, velociraptors, and other bird-like dinosaurs.
no, but they share a common reptile ancestor.
yes. scientists do not share it in public.
Dinosaurs are more closely related to mammals. Both mammals and dinosaurs share a reptilian ancestor that they don't share with amphibians.
Cannon
No. Tuataras are in the lepidosaur branch of reptiles, which they share with lizards and snakes. Dinosaurs are on the archosaur branch, which they share with crocodilians. Birds are the only living dinosaurs today.
Well you can't really because dinosaurs are extinct.