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Dinosaurs first appeared shortly before mammals did.
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∙ 11y ago
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Are woolly mammoths older or younger than dinosaurs?
No. The first mammals appeared shortly after the first dinosaurs.
Which era do did first mammal dinosaurs and plants appeared in?
Mammals and dinosaurs emerged in the Mesozoic era. Plants appeared in the Paleozoic era, which came before it.
Did the mammals live before or after the dinosaurs?
The first mammals appeared in the Triassic Period of the Mesozoic Era, when dinosaurs had already been present for at least 9 million years.
Where there mammals during the dinosaur age?
Yes. The first mammals appeared only about ten million years after the first dinosaurs in the Triassic period.
When did the first dinosaurs and mammals evolve?
The first dinosaurs AND the first mammals both appeared in the Triassic period From the Mesozoic era.
What kind of animals lived in Paleozioc?
the paleozioc was the age of dinosaurs. the first small mammals first appeared in this time
Who has lived longer on earth so far dinosaurs or mammals?
Mammals and dinosaurs started about the same time and mammals are still here, so ... Mammals! (Unless you count birds as dinosaurs, in which case it's a tie). One of the mysteries of evolution is why the dinosaurs came to dominate the mammals in the first place.
Why are fossils here today?
Fossils are here today because way before humans were living on land there were dinosaurs first and some people still see the fossils today from when the dinosaurs used to be here but now dinosaurs are enstinct .
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 mammals or reptiles develop first?
reptiles because of the dinosaurs
Did mammals appear in the fossil record before dinosaurs or after?
Mammals actually first came into existence about 220 million years ago, which is about 155 million years before the dinosaurs went extinct, and only about 10 million years after they themselves first evolved. So mammals actually lived alongside the dinosaurs, though played a much smaller role.
Dinosaurs first appeared in what period?
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
