Evolution | Definition, History, Types, & Examples | Britannica
Oct 25, 2025 · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to …
Evolution - Natural Selection, Adaptation, Genetics | Britannica
5 days ago · Evolution - Natural Selection, Adaptation, Genetics: The central argument of Darwin’s theory of evolution starts with the existence of hereditary variation. Experience with animal and plant …
Evolution - Darwin, Natural Selection, Genetics | Britannica
5 days ago · From this idea he proposed, in the early years of the 19th century, the first broad theory of evolution. Organisms evolve through eons of time from lower to higher forms, a process still going …
Evolution - Theory, Cultural Impact, Science | Britannica
Oct 25, 2025 · New scientific knowledge has led us to realize that the theory of evolution is no longer a mere hypothesis. It is indeed remarkable that this theory has been progressively accepted by …
Evidence for evolution and Charles Darwin and Theodosius …
The heart of Darwinian evolution is the mechanism of natural selection. Surviving individuals, which vary (see variation) in some way that enables them to live longer and reproduce, pass on their advantage …
Biology - Evolution, Natural Selection, Adaptation | Britannica
Sep 30, 2025 · A complete theory of evolution was not announced, however, until the publication in 1859 of Charles Darwin’s On the Origin of Species by Means of Natural Selection or the Preservation of …
Evolutionary psychology | Human Behavior & Adaptation | Britannica
At the base of evolutionary psychology is Darwin’s theory of evolution by natural selection. Darwin’s theory made it clear how an animal’s physical features can be shaped by the demands of recurrent …
Human evolution | History, Stages, Timeline, Tree, Chart, & Facts ...
Nov 17, 2025 · See the article evolution for a full explanation of evolutionary theory, including its main proponents both before and after Darwin, its arousal of both resistance and acceptance in society, …
Darwinism | Definition & Facts | Britannica
Oct 16, 2025 · Darwinism, theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin’s specific view that evolution is driven mainly by …
evolution Facts | Britannica
Sep 6, 2025 · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications …