Example sentences of "million year [adv] the [noun sg] " in BNC.
Next page| No | Sentence |
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| 1 | About 125 million years ago the foundation for what is now the state 's central valley arrived . |
| 2 | Fossilized orang-utan teeth — most of what zoologists know of ape evolution comes from the study of fossil teeth — reveal that half a million years ago the orang 's ancestors were far bigger and probably twice as heavy as the modern animal . |
| 3 | For example , Conway Morris of Cambridge University 's Earth Science Department believes that the comparative emptiness of the early oceans indicates minimal inter-group rivalry , but that 520 million years ago the competition began to hot up , and the basic animal groups , evidenced from parts of the fossil record of Northern America and Australia , were reduced from 55 to around 35 . |
| 4 | Four thousand million years ago the sun , a burning ball of nuclear energy , exploded . |
| 5 | About 10 million years ago the sea was at a higher level . |
| 6 | About 70 million years ago the brain of the most advanced animals had cerebral hemispheres , but they composed a third or less of the whole brain . |
| 7 | But about 65 million years ago the picture was very different . |
| 8 | Twelve million years ago the rhinoceros ' ancestors roamed the earth wandering freely over much of Africa and Europe . |
| 9 | Toward the end of the Pliocene epoch 2–3 million years ago the earth 's coldest environments were alpine . |