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144 to 65 Million Years Ago
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∙ 15y ago
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What is cretaceous period?
The Cretaceous Period was the 3rd geological period in the Mesozoic Era. The end of the period would see the extinction of all non-avian dinosaurs as well as all the large marine reptiles, pterosaurs as well many other species of animals and plants. It lasted from 145.5 to 65.5 million years ago. It was the time between 2 extinction events, the smaller End Triassic Extinction event and the larger K-T Exinction event.
How long is an era of time?
An era is a period of geologic time which varies in length but is many millions of years. For instance, the current era of geologic time, the Cenozoic, has lasted for over 65 million years to date.
How many million of years ago did Earth's atmosphere attain the oxygen levels it has today?
1000 millions years ago.
Was Pangaea formed when Jesus was still alive?
No. Pangaea was formed many, many millions of years before Christ
How many leap years were there from 1849 to 1949 inclusive?
There were 24 leap years in that period:185218561860186418681872187618801884188818921896190419081912191619201924192819321936194019441948
How many million years was the Cretaceous period?
144 to 65 Million Years Ago
How many million of years ago did the triceratops live in?
They lived way back in the late Cretaceous period, 68 to 65 million years ago.
How many millions of years ago did dinosaurs become extinct?
The Cretaceous-Tertiary extinction event, is the name given to the die-off of the dinosaurs and other species that took place some 65.5 million years ago. For many years, paleontologists believed this event was caused by climate and geological changes that interrupted the dinosaurs' food supply.
Which dinos lived in the cretaceous?
In cretaceous period there were many different dinosaurs there were 67 different type's.
About how many year ago the mesozoic lasted?
The Mesozoic Period (251 - 65 million years ago) lasted approximately 216 million years. It consisted of the Triassic Period (251 - 200 million years ago), the Jurassic Period (199-146 million years ago) and the Cretaceous Period (145 - 65 million years ago).
What is cretaceous period?
The Cretaceous Period was the 3rd geological period in the Mesozoic Era. The end of the period would see the extinction of all non-avian dinosaurs as well as all the large marine reptiles, pterosaurs as well many other species of animals and plants. It lasted from 145.5 to 65.5 million years ago. It was the time between 2 extinction events, the smaller End Triassic Extinction event and the larger K-T Exinction event.
What was the the environment like during the cretaceous period?
It was a warm tropical place in which many angiosperms (flowering plants) developed and became dominant. Because of this, many new herbivores appeared and others went extinct.The Cretaceous Period was hot and dry.
What is a Bipedal dinosaur of the Cretaceous period?
Iguanodon, t-rex, velociraptor, deinonychus, and many others.
Where did most of the organisms live in the cretaceous period?
Unsure by many of the organisms were wiped out but probably Asia
For how many years did dinosaurs dominate chordate life on land?
Dinosaurs dominated chordate life on Earth for about 160 million years before their sudden extinction. Their dominion lasted from the Triassic Period to the end of the Cretaceous.
What is cretaceous carnivore?
Cretaceous carnivores are refers to carnivorous dinosaurs that lived during the Cretaceous Period, which lasted from approximately 145 to 66 million years ago. Some well-known examples of Cretaceous carnivores include Tyrannosaurus rex, Velociraptor, and Spinosaurus. These animals were apex predators and played a crucial role in the ecosystem of their time.
What type of clothes did travelers wear in the Jurassic period?
Humans, or anything that could be remotely related to humans, came along many millions of years after the Jurassic Period.
