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17 Ιουν 2019 · “Evolution” in contemporary discussions denotes the theory of the change of organic species over time. Prior to the second half of the nineteenth century, the term was used primarily, if not exclusively, in an embryological sense to designate the development of the individual embryo.
- Creationism
Before moving on historically, it is worthwhile to stop for...
- Altruism
What counts as a benefit depends on what the correct theory...
- Darwinism
Darwinism designates a distinctive form of evolutionary...
- Evolution: Cultural
“Cultural Evolutionary Theory”, as we understand it here, is...
- Life
1.1 Definitions of Life from Antiquity to Darwin. ... we...
- From Origin of Species to Descent of Man
This entry offers a broad historical review of the origin...
- Herbert Spencer
Herbert Spencer (1820–1903) is typically, though quite...
- Fitness
The leading idea of Darwin’s theory of natural selection is...
- Creationism
Descartes: gradual evolution of physical system according to fix laws (Discourse on Method, 1628). Buffon (1707‐88) and Linnaeus (1707‐78): God created a limited number of species, but through hybridization and impact of environment, new species appear.
Evolution Theories Before Darwin. By The Doc. The concepts of evolution and natural selection have very long histories, with the first theories preceding Darwin and Wallace’s by thousands of years. Earlier Lifeforms Gave Birth to Humans.
In the early 19th century prior to Darwinism, Jean-Baptiste Lamarck (1744–1829) proposed his theory of the transmutation of species, the first fully formed theory of evolution. In 1858 Charles Darwin and Alfred Russel Wallace published a new evolutionary theory, explained in detail in Darwin's On the Origin of Species (1859).
Introduction. The history of early theories of evolution has suffered from two opposite assumptions. The most popular one insists that Charles Darwin (b. 1809–d. 1882) was an isolated genius working against crowds of creationists.
17 Ιουν 2019 · This entry offers a broad historical review of the origin and development of Darwin’s theory of evolution by natural selection through the initial Darwinian phase of the “Darwinian Revolution” up to the publication of the Descent of Man in 1871.
19 Οκτ 2023 · Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms produce more offspring than are able to survive in their environment.