The first unicellular life on earth seems to have basically begun right after shit stopped glowing, 3.7 billion years ago.
Then, 3 billion years went by before the first multicellular life appeared, only 600 million years ago.
84% of the history of known life was single-celled.
Then, 3 billion years went by before the first multicellular life appeared, only 600 million years ago.
84% of the history of known life was single-celled.
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The sun increases 1% in brightness every 110 million years.
In only a billion years from now, the sun will be about 10% brighter, and the oceans will evaporate, killing the carbon cycle.
Multicellular life will only have existed for about a quarter of that time.
75% of the history of all life on earth, will have been single-celled.
It basically began yesterday, and it'll be gone tomorrow.
i'm not sure, but i really doubt single cells are capable of having anxiety disorders, and that would be an advantage.