Darwin thought that evolution took place over hundreds or ... The Grants had documented natural selection in action. While beak size is clearly related to feeding strategies, it is also related ...

It is one of the processes by which species change from generation to generation, and is a crucial element of the theory of evolution. A classic example of natural selection at work is the origin ...

As conditions change, so does life. It evolves. Evolution is driven by a process called natural selection. And there's no better place to see how it works than in the forests of Madagascar.

Human evolution is far from a relic of the past, as a new study in Behavior Genetics demonstrates. By analyzing data from ...

Only a human being could make such conscious decisions. This is why the species Homo sapiens is the apex of evolution. Natural selection is at one and the same time a blind and creative process.

"We might be inclined to think that these components were added by natural selection, that this added ... "At some point ...

This is because natural selection acts to increase the prevalence ... They have had a tremendous impact on our evolution, and they, themselves, evolve over time. The great effect that pathogens ...

In this scenario, the deleterious allele will remain at an intermediate equilibrium frequency that reflects the balance between gene flow and natural selection. The common conception of evolution ...

In fact, it is this facet of natural selection that is easily and massively documented in the DNA record of evolution. “Variations neither useful nor injurious...would be left a fluctuating ...

A new study reveals that Tibetan communities have developed unique adaptations to survive in the low-oxygen conditions of the ...

Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes ...