Carl Sagan said that if there were no extraterrestrial life, the universe would be a great waste of space because of how gigantic it is and the enormous number of possibilities of planets, stars, etc. would be a great waste of space with consciousness something like that happening.
Life emerged on Earth, at least on Earth, I hope it has emerged in more places but at least it emerged on Earth, we don't know why, because all those elements that make up life could have perfectly stayed, they could have stayed well. like mud, like gas, like liquid or like little stones, we are basically composed of elements that can be found easily in nature, however, they came together and created living beings, initially those first microscopic living beings were practically eternal, then life invented death , as a way to speed up the evolution, but for what.
So that? To diversify, colonize the entire planet, well, it already achieved it with the earth being a world of bacteria, in fact, bacteria were much more efficient at reproducing, expanding and colonizing than animals are, recently I told you the story. news of the discovery of a colony of bacteria about 100 m deep in South Africa that had been isolated for 2000 million years, had lived very well on their own without depending on the rest of the world and had evolved or had remained as they were originally. 2000 million years.
There they lived peacefully, they had colonized that interior of the planet, in fact there are bacteria everywhere and in the event of a cataclysm they are also much more resistant than us, a large asteroid much larger than that of the dinosaurs can exterminate all animal life on earth, but there would be bacteria that would start the process, but the process why why higher animals evolved conscious animals, why so much effort to develop consciousness.
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