Sentence examples for by natural selection over from inspiring English sources

I give a brief history of the radiation, examine the process of divergence by natural selection over time, and then consider the nature of the reproductive barrier to gene flow between closely related species.

According to Charles Darwin, the motivational structures within the human brain were forged by natural selection over millions of years.

Through processes well-documented by scientific inquiry, life began and evolved by natural selection over millions of years right up until today.

These genes have been installed by natural selection over the millennia: without them non-sex cells would reproduce wildly, and organs and tissues would become chaotic in other words, cancerous.Cells are not sentient, and do not know they are restricting their own reproduction for the greater good.

They showed that tit-for-tat would be favored by natural selection over many other strategies, including a purely selfish strategy of never offering help but always accepting it.

Those who gathered under those brooding skies were overwhelmingly, and inevitably, those already convinced that immunization saves countless lives and is not significantly associated with autism; that climate change is real and we are complicit in it; and that this planet's greatest treasure, its native biodiversity- is a product of evolution by natural selection over billions of years.

LS4.C: adaptation by natural selection acting over generations is one important process by which species change over time in response to changes in environmental conditions.

The intelligence of both can be found in the interactions among the parts, which have been shaped by natural selection operating over countless generations.

Species that have distinguishable adults enjoy early adult health because of adaptations built by natural selection acting over entire genomes, adaptations that are the cumulative product of many millions of years of evolution building vast libraries of adaptive genomic information.

The robots, which are little wheeled contraptions, do not need to see the bigger picture.In the case of termites, the bigger picture is provided by natural selection, which has, over the millennia, refined the rules that individual termites obey.

This too suggests that the distinct local gene pools are indeed adaptations to local conditions, maintained by natural selection, and not random changes over time.