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On the First Principles (Greek: Περὶ Ἀρχῶν / Peri Archon; Latin: De Principiis) is a theological treatise by the Christian writer Origen. It was the first systematic exposition of Christian theology. [1] It is thought to have been written around 220–230 AD. The full text has not been completely preserved. When Origen was around ...
In the early 19th century prior to Darwinism, Jean-Baptiste Lamarck 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). Darwin's theory, originally ...
Origen's On the First Principles was the first ever systematic exposition of Christian theology. [129] [43] He composed it as a young man between 220 and 230 while he was still living in Alexandria. [129] Fragments from Books 3.1 and 4.1–3 of Origen's Greek original are preserved in Origen's Philokalia. [129]
Darwin's theory of evolution is based on key facts and the inferences drawn from them, which biologist Ernst Mayr summarised as follows: [6] 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).
Evolution by natural selection is the process by which traits that enhance survival and reproduction become more common in successive generations of a population. It embodies three principles: [7] Variation exists within populations of organisms with respect to morphology, physiology and behaviour (phenotypic variation).
According to Axe, the research he provides with his book disproves Darwin's theory of evolution, revealing "a gaping hole has been at its center from the beginning." Click through 10 books that ...
The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth.Dates in this article are consensus estimates based on scientific evidence, mainly fossils.
The publication of Darwin's theory brought into the open Charles Darwin's theory of evolution through natural selection, the culmination of more than twenty years of work. Thoughts on the possibility of transmutation of species which he recorded in 1836 towards the end of his five-year voyage on the Beagle were followed on his return by ...