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2 days ago · Charles Darwin’s theory of evolution had three main components: that variation occurred randomly among members of a species; that an individual’s traits could be inherited by its progeny; and that the struggle for existence would allow only those with favorable traits to survive.
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- On The Origin of Species
2 days ago · Darwin's theory of evolution is based on key facts and the inferences drawn from them, which biologist Ernst Mayr summarised as follows: Every species is fertile enough that if all offspring survived to reproduce, the population would grow (fact). Despite periodic fluctuations, populations remain roughly the same size (fact).
- Charles Darwin
- 1859
2 days ago · Evolution is the process of heritable change in populations of organisms over multiple generations. Evolutionary biology is the study of this process, which can occur...
1 day ago · The theory of coevolution says that when closely interacting species drive evolutionary changes in each other this can lead to speciation - the evolution of new species. But until now, real-world evidence for this has been scarce.
2 days ago · Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes.
3 days ago · A new article examines the question of what Darwinism is and how its nonscientific uses relate to the scientific theory of evolution. The authors observe that while some people claim Darwinism's ...
3 days ago · The authors propose a unified account of these varieties of Darwinism. "We show how the theories introduced by Darwin have grounded a 'logic' or style of reasoning about phenomena, as well as ...