Is it possible for a planet to be devoid of polar ice caps?
I know water is required for life on a planet so I got to thinking, is it possible for a world to be a functional planet (plants animals etc.) without polar ice caps and if so, how would it work without the equator being overwhelmingly hot? Also, would this affect the planet's water bodies if they were similar to Earth's oceans?
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It is definitely possible. Like for example the earth at the time of the dinosaurs. Quote (from relatively far down on the page):
As the world entered the Cretaceous Period, Antarctica was very much situated at or near the South Pole. But at least during a major part of this period, there were no polar ice caps anywhere on Earth. And forests penetrated all the way to the South Pole.
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