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 ...

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 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 ...

Evolution is nature's engine, driving and shaping genetic change and the diversity around us. Charles Darwin famously ...

Here's a look at what you need to know about the Scopes trial: No. In 1859, British naturalist Charles Darwin published “On the Origin of Species,” which explained his theory of evolution by means of ...

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 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 ...

Natural selection, one of the most important theories in biology, was formulated by evolutionary biologist Charles Darwin in the 19th century. The theory can be used to explain the imbalance on a ...

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?

Darwin visited four continents on the ship HMS Beagle. Darwin’s theory of evolution by natural selection challenged the idea that God made all the animals and plants that live on Earth.

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 ...