0
During the first period of the Mesozoic, the Triassic, there were less oxygen. However, through the Jurassic and Cretaceous, oxygen was higher than modern levels.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Did dogs live during the dinosaurs?
Dogs did not live during the time of the dinosaurs. There were no known mammals on Earth during that period.
Did dinosaurs drink from springs fed by glaciers?
No, during the dinosaurs time there was no ice on earth and glaciers were non-existent
Did dinosaurs have their own earth?
No, there were mice, beavers and insects during that time period.
During what time period were dinosaurs at their peak?
the best time of dinosaurs was the jurassic period where big sauropods ruled the earth ,late in the cretaceous period some species of dinosaurs were in decline before the hit of the meteorite that killed all dinosaurs
Did bunnies live during the time that dinosaurs existed?
No, Bunnies did not live during the time of the dinosaurs
What time did the dinosaurs rule the earth?
From about 230 million to 65 million years ago during the Mesozoic era.
Locust trees are tall trees that first grew on Earth during the time of the dinosaurs They have an adaptation that prevented the dinosaurs from eating them What is an adaptation helped to save the l?
large thorns
Did dinosaurs exist in the Precambrian Time?
no they did not there was only one celled creatures no they did not there was only one celled creatures
Dinosaurs lived 230 million years ago during what era?
The dinosaurs, those giant lizard creatures, dominated the face of Earth for about 165 million years. This period of time is called Mesozoic Era, and during this time the planet suffered several violent changes.
Did oil form before dinosaurs roamed the earth?
Some did, and some did not. Different oild deposits date to different times. Some from before, some from during, and some from after the time of the dinosaurs.
Where were people when dinosaurs were around?
During the time of dinosaurs, early mammals, birds, and various reptiles lived alongside them. The majority of dinosaurs roamed the Earth during the Mesozoic Era, particularly during the Triassic, Jurassic, and Cretaceous periods. These creatures inhabited different regions around the globe, from forests and swamps to deserts and plains.
What kinds of animals walked the earth during the time of early age?
Dinosaurs, Predators, (Carnivoirs, Herbivoir), homo sapiens crocs
