The first dinosaur to exist may not be known to science as fossilisation is a very rare process. Even if the first reptile to be concieved as a dinosaur was fossilized, we may not have discovered it.
The dinosaurs.
dinosaurs
Dinosaurs evolved first and then some dinosaurs evolved into birds. So all birds are technically dinosaurs.
Humans came after Dinosaurs.
dinosaurs because there were no humans around when the dinosaurs were around.
Shark
Dinosaurs first appeared in the tertiary stages of the Earth. Tertiary was when the dinosaurs ruled the earth. Then there was jurassic and then creteacious
The first dinosaurs evolved from fishes and were no bigger than these days crocodiles.
Dinosaurs first appeared shortly before mammals did.
Dinosaurs came before birds, because dinosaurs later on evolved into birds, therefore, making birds come along LATER then the dinosaurs. However dinosaurs were far from the first creatures on earth.
Dinosaurs pre-date humans therefore there were no humans prior to the Dinosaurs.
Yes. Herrerasaurians were among the very first dinosaurs.