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.
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.
amphibians
amphibians
No, dinosaurs first appeared in the Mesozoic era, specifically during the Triassic period. The Paleozoic era preceded the Mesozoic era and was home to a different group of animals, including early fish, amphibians, and reptiles.
Snakes are "Reptiles" not to be confused with "Amphibians"