He established that all species of life have descended over time from common ancestors, and proposed the scientific theory that this branching pattern of evolution resulted from a process that he called natural selection, in which the struggle for existence has a similar effect to the artificial selection involved in selective breeding.
* Fullscreen mode.
* Easy and simple to use layout.
* Choose from a wide variety of customisable themes.
* Small lightweight size.
* Contains advertisements from www.webdefine.co.uk and other companies
For support of this application please either email firstname.lastname@example.org
or visit www.webdefine.co.uk