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| When | Comment | Name |
| N/A | Ad infinitum; you cannot create something from nothing – there’s always been life. | Dave |
| N/A | During the big explosion when all the components of life were formed. | George |
| N/A | After the sun began to shine; it was a speck of something that was able to grow. | Miha |
| N/A | Whenever the first water formed in the universe. | Jackie |
| 14 BYA | When the earth was formed created. | Trin |
| 13-14 BYA | In the form of light and energy. | Aaron |
| 9.0 BYA | In the form of bacteria. | Dennis |
| 3.5 BYA | In the form of raw energy. | Tony |
| 3.0 BYA | As a small organism encased in a gel-cap with a single strand of DNA inside. | Keith |
| 2.5 BYA | As a single-celled organism. | Gary |
| 2.0 BYA | In the form of a cell. | Ryan |
| 1.0 BYA | As a single-celled microorganism. | Johnny |
| 1.0 BYA | In the from of bacteria. | Rene |
| 0.5 BYA | In the from of a speck. | Elik |
| 65 MYA | As a single-celled organism. | JP |
| 100,000 YA | In the form of amebas and germs in water. | Lexus |