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 ...

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 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 ...

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 ...

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 theory is simplicity itself ... The process is called Natural Selection. Evolution is incremental. Anyone can read the writings of Wallace or Darwin (I encourage the reader to do so); they ...

Evolution by natural selection must have a mechanism ... Darwin held off on publishing his theory for 20 years, until forced to by fellow naturalist Alfred Russel Wallace, who had independently ...

The Basics of Life History Theory Life history theory seeks to explain how natural selection and other evolutionary forces shape organisms to optimize their survival and reproduction in the face ...

When evolution skeptics want to attack Darwin's theory, they often point to the ... have developed through random mutations and natural selection, even over millions of years?

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 ...