
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 …
Evolution - Natural Selection, Adaptation, Genetics | Britannica
4 days ago · Biological evolution is the process of change and diversification of living things over time, and it affects all aspects of their lives— morphology (form and structure), physiology, …
Biology - Evolution, Genetics, Species | Britannica
Aug 22, 2025 · Evidence to support the theory of evolution has come primarily from the fossil record, from comparative studies of structure and function, from studies of embryological …
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 …
Evidence for evolution and Charles Darwin and Theodosius …
evolution, Biological theory that animals and plants have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations.
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 …
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 …
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 …
Evolution - Darwin, Natural Selection, Genetics | Britannica
4 days ago · Darwin accumulated evidence showing that evolution had occurred, that diverse organisms share common ancestors, and that living beings have changed drastically over the …
Life - Evolution, History, Earth | Britannica
Darwin’s principle of evolution is summarized by the following facts. All life tends to increase: more organisms are conceived, born, hatched, germinated from seed, sprouted from spores, …