more than one
Reptiles are older, and birds are actually descended from them. The first reptiles appeared over 300 million years ago, while birds appeared about 150 million years ago.
It was 20 years ago.
Dragon
The age of reptiles, also known as the Mesozoic Era, occurred during the time period from about 252 million years ago to 66 million years ago. It was characterized by the dominance of reptiles, including dinosaurs, pterosaurs, and marine reptiles.
the very First Marine Reptiles Returned To the Ocean About 240 Million Years Ago,
No, humans did not evolve from reptiles. Both humans and reptiles share a common ancestor from millions of years ago, but they evolved along separate paths.
Only at the very end of that period. Turtles first appeared about 210 million years ago. There were no reptiles 400 million years ago.
The earliest known reptiles originated around 340-335 million years ago during the Carboniferous period.
Although reptiles displaying mammal-like characteristics appeared around 300 million years ago, the first true reptiles evolved around 200 million years ago. Although it is not known what the first true mammal was, they are generally believed to have been small and shrew-like.
your nan
The Paleozoic Era began about 541 million years ago and ended about 252 million years ago. It is known for the emergence and diversification of many marine invertebrates, the colonization of land by plants and insects, and the eventual rise of reptiles.
4 Billion years.