The phrase "survival of the fittest" functions principally in evolutionary theory to describe the biological concept of natural selection. English naturalist, geologist, and biologist Charles ...

He began contemplating while aboard HMS Beagle, but it took several years before he came up with his theory of evolution by natural selection. The finches – once they had been identified as different ...

A theory based on sexual selection ... think that sexual selection by mate choice is really a kind of natural selection. So, when they see the peacock’s tail or a beautiful ornament in nature ...

He revolutionaised the field of natural history from his theory of natural selection. His book named "The Origins of Species" was published in 1859, where he argued that all present-day life forms ...

When the theory of evolution was put forth by Alfred ... The process is called Natural Selection. Evolution is incremental. Anyone can read the writings of Wallace or Darwin (I encourage the ...

Haldane, J. B. S. A mathematical theory of natural and artificial selection, Part I. Transactions of the Cambridge Philosophical Society 23, 19–41 (1924). Hedrick, P. W. Genetics of Populations ...

The Grants had documented natural selection in action. While beak size is clearly related to feeding strategies, it is also related to reproduction. Female finches tend to mate with males that ...

The early part of the twentieth century saw evolutionary theory embattled by disagreements over Darwin's emphasis on natural selection. The then-newly rediscovered work of Gregor Mendel in the ...

A highly methodical scholar, constantly collecting and observing, he spent many years comparing and analysing specimens before finally declaring that evolution occurs by a process of natural selection ...

In the decades since its introduction, the neutral theory of evolution has become central to the study of evolution at the molecular level, in part because it provides a way to make strong ...

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 ...

Melvyn Bragg discusses Jean-Baptiste Lamarck, the 18th century French scientist, and his theory of Natural Selection. Who was he and how far did he pave the way for Darwin? Show more Melvyn Bragg ...