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Dinosaurs first evolved 231.4 million years ago in Pangaea. This was during the beginning of the Mesozoic era, in the Triassic period.
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Which animal was alive first birds or dinosaurs?
Dinosaurs evolved first and then some dinosaurs evolved into birds. So all birds are technically dinosaurs.
How big were the first dinosaurs?
The first dinosaurs evolved from fishes and were no bigger than these days crocodiles.
Did dinosaurs evolve into reptiles?
No. Dinosaurs evolved from reptiles. Birds evolved from dinosaurs.
Who born first hen or egg and why?
The egg came first. The first chicken would have evolved from a different species through a series of genetic mutations, leading to the emergence of the first chicken egg, which contained the genetic code for the first true chicken.
Can you prove was the chicken first or egg?
Dinosaurs evolved before chickens .
What dinosaurs were there when fish first evolved?
Apparently, according to different sources, fish seem to have been around since the first dinosaurs and before.
Why do scientists believe that birds evolved from dinosaurs?
Birds are thought to have evolved from bipedal dinosaurs.
Were dinosaurs or birds the first beings?
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.
How where chickens created?
They evolved from dinosaurs. So yeah, the egg came first.
Which are older mammals or birds?
Mammals are older. The first mammals evolved around 220 million years ago, not long after the first dinosaurs. Birds evolved from small carnivorous dinosaurs about 160 million years ago.
Did dinosaurs evolve from reptiles?
Dinosaurs evolved from reptiles not the other way around. The first reptiles where thought to have evolved during the late Carboniferous Period about 320 to 310 million years ago. Dinosaurs do not appear in the fossil record until the late Jurassic Period about 230 million years ago. They evolved from the reptilian infra class Archosaurs.
Who came first humans or dinasaurs?
Dinosaurs evolved and then became extinct long before man walked the Earth.245 mya (million years ago) dinosaurs evolved.208 mya birds evolved.65 mya dinosaurs became extinct.80 thousand years ago humans evolved on the plains of Africa.
