Dinosaurs first appeared around 230 million years ago, during the Triassic period. This was part of the Mesozoic era, which covered almost all of dinosaur existence.
Fish, reptiles, and amphibians, originated in that order during the Paleozoic era.
They evolved from amphibians during the Carboniferous Period.
The term 'dinosaurs' refer to any of numerous extinct terrestrial reptiles of the Mesozoic era - ergo, they were not amphibians.
Reptiles have scales and Amphibians do not.
Amphibians do not have scales; reptiles do.
No. Birds and reptiles are separate from amphibians.
Reptiles first appeared during the Paleozoic Era, specifically the Carboniferous System of the Paleozoic Era. That was about 320 million years ago.
amphibians
amphibians
No. Reptiles and amphibians are two different orders and animals and amphibians cam first. Simply put, the first amphibians evolved from fish and the first reptiles evolved from amphibians.
Snakes are "Reptiles" not to be confused with "Amphibians"
Herpetology is the study of the role of amphibians and reptiles.