random variation in a sentence

Examples

1. It was seen as a much faster alternative to the Darwinian concept of a gradual process of small random variations being acted on by natural selection.
2. Among other practical difficulties, many more random variations exist with no significance whatever which have in all likelihood been fixed in different species completely at random.
3. The universe will continue to have tiny pockets of slight random variation until the very end, so our brains will continue to operate-but very, very slowly.
4. A perfectly fine counter-explanation would be that homosexuality is just a naturally occurring random variation that has found a social role in some cultures / societies.
5. If random variation and natural selection produced consciousness on earth, why would the same random variations not occur elsewhere in a universe with billions of other planets?
6. Because of random variation in sampling, the proportion or mean calculated using the sample will usually differ from the true proportion or mean in the entire population.
7. If random variation and natural selection produced consciousness on earth, why would the same random variations not occur elsewhere in a universe with billions of other planets?
8. A blade ground from such a blank will show a grain much like an object cut from a block of wood, with similar random variations in pattern.
9. While the interpretation is quite reasonable, the periodicity claimed is based on only about 4 cycles, meaning that it is quite possible for this to be random variation.
10. However, the variability from year to year of seasonal events ( allegedly due to climate change or just random variation ) makes the seasonal year very hard to measure.