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Life is much, much older than Antarctica. It's only about 25 million years old (per Wikipedia). Humans might not exist but life would be pretty much the same wi
by roywiggins 9y ago
Life is much, much older than Antarctica. It's only about 25 million years old (per Wikipedia). Humans might not exist but life would be pretty much the same without it, insofar as there would be large critters and plants wandering about and eating each other.
- chiefalchemist 9y agoAllow me to clarify. Life is a function of the broader ecosystem. Antarctica was an example of some we take for granted, but it has/has had an impact on the Earth's temps, weather, etc. My broader point was that humans today have a fair number of random events to thank for having led to the human species. So it's not only a question of life (in the broader abstract) but also planet history. Planets similar to earth? Probably countless. Those with a similar history is, I presume, significantly rare. Perhaps zero?