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Thousands of year ago Antarctica was much like it is now: very cold and covered in ice. You would have to go back 160 million years to find it was warm.
100 million years ago the continents were starting to take on their modern shapes. In this time dinosaurs were the dominant land animals and forests were widespread, with some even existing in Antarctica. There were no ice caps at the poles.
Going far enough back Antarctica was tropical.
The mesosaurus become extinct about 300 million years ago. This was a type of reptile that looked like a lizard and was the first reptile to go back to aquatic environments.
At the beginning of the Cambrian period, about 540 million years ago, Antarctica (then part of the supercontinent Gondwanaland) was near the equator, and would have had a tropical or subtropical climate. Antarctica had moved close to its current position by the Cretaceous period, but due to warmer currents existing was not encased in ice. Because it would still experience polar day and polar night, it would have had hot summers and brutally cold winters. Several species of dinosaurs, mammals, and amphibians managed to survive here, and the landscape would have been dominated by coniferous forests. The Antarctic did not reach its current level of inhospitableness until about 15 million years ago.
As old as history itself, at least a few million years.
It is now known what North America look like 100 million years from now.
60 million years ago Canada was a mass of ice.
In 1915, there weren't necessarily good maps of Antarctica, and none of them showed climate, only landmass.
The glossopteris was a seed fern that was shaped like a tongue. The glossopteris became extinct about 252 million years ago, at the end of the Permian era.
yes it did but not in human history, 300 million years ago India was attached to Antarctica
nuthinq . a star ?