Example sentences of "[art] origin [prep] life on " in BNC.
Next page| No | Sentence |
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| 1 | The origin of life on Earth |
| 2 | There has been a greater emphasis on cosmic perspectives generally — such as the ‘ panspermia ’ theory ( the notion that the ‘ seeds ’ of organic life drifted to Earth from outer space ) — to explain both the origin of life on Earth and the frequent recurrence of plagues and viruses which have taken their toll of life in the past . |
| 3 | Studying the fossil record enables us to show what must have happened , but , as Stephen J. Gould has been the most recent to argue , were we to be able to wind the clock of evolution backwards towards the origin of life on earth , and then run it forward once more , quite different outcomes would most likely have occurred ; not only would there probably have been no humans , but perhaps not even any brains . |
| 4 | Our question was , how much luck are we allowed to assume in a theory of the origin of life on Earth ? |
| 5 | To be more precise , the maximum odds against the origin of life on any one planet that our theories are allowed to postulate , is the number of available planets in the universe divided by the odds that life , once started , will evolve sufficient intelligence to speculate about its own origins . |
| 6 | This means that we can , if we want to , spend virtually our entire ration of postulatable luck in one big throw , in our theory of the origin of life on a planet . |
| 7 | The origin of life on a planet can be a very improbable event indeed by our everyday standards , or indeed by the standards of the chemistry laboratory , and still be sufficiently probable to have occurred , not just once but many times , all over the universe . |
| 8 | Therefore , these meteorites are believed to contain clues about the origin of life on Earth . |